List of Star Trek characters (G–M)

{{Short description|none}} {{DISPLAYTITLE:List of ''Star Trek'' characters (G–M)}} {{Use American English|date=July 2025}} This article [[List of Star Trek characters|lists]] characters of ''[[Star Trek]]'' that received attention from third-party sources in their various canonical incarnations. This includes fictional major characters and fictional minor characters created for ''Star Trek'', fictional characters not originally created for ''Star Trek'', and real-life persons appearing in a fictional manner, such as holodeck recreations.

==Characters from all series, listed alphabetically== ===Key=== {{Star Trek abbreviations}} {{List of Star Trek characters key}}

=== G === {{redirect|Amanda Grayson|the ''Revenge'' character|Emily Thorne}} {| class="wikitable" |-m ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | {{Visible anchor|[[Elim Garak]]}} | [[Andrew Robinson (actor)|Andrew J. Robinson]] | [[Past Prologue (Star Trek: Deep Space Nine)|Past Prologue]] ([[Star Trek: Deep Space Nine|DS9]]) ''recurring thereafter'' | [[Cardassian]] male, former member of the Cardassian intelligence organization [[Obsidian Order]], who fell from grace and was exiled to ''Deep Space Nine'', where he worked in his own tailor shop. Son of [[Enabran Tain]], former head of the Obsidian Order, and archenemy of [[Gul Dukat]]. |- | {{Visible anchor|Rachel Garrett}} | [[Tricia O'Neil]] [[Kacey Rohl]] | [[Yesterday's Enterprise]] ([[Star Trek: The Next Generation|TNG]]), [[Star Trek: Section 31|S31]] | Human female captain of the ''Enterprise-C'', which traveled unintentionally through a time portal. Garrett decided to return the ship to her own timeline, which resulted in her death though brought about peace.<ref>{{cite news |url=https://www.slashfilm.com/1457614/star-trek-rachel-garrett-enterprise-female-captain-explained/ |title=The History Of Star Trek's Rachel Garrett, The Enterprise's First Female Captain |date=December 4, 2023 |website=[[/Film]] |first=Witney |last=Seibold |access-date=February 24, 2025}}</ref> A younger version of Garrett is a Starfleet liaison to the [[Section 31 (Star Trek)|Section 31]] organization.<ref>{{cite news |url=https://screenrant.com/star-trek-section-31-movie-rachel-garrett-different-tng/ |title=Star Trek: Section 31 Movie Proves TNG Fans Don't Know Rachel Garrett At All |date=July 30, 2024 |website=[[Screen Rant]] |first=Rachel |last=Hulshult |access-date=February 24, 2025}}</ref> |- | {{Visible anchor|Sonya Gomez}} | [[Lycia Naff]] | [[Q Who]], [[Samaritan Snare]] ([[Star Trek: The Next Generation|TNG]]), [[First First Contact]] ([[Star Trek: Lower Decks|LD]]) | A human ensign serving under Geordi La Forge on the ''Enterprise-D''. While she initially struggles due to her inexperience, La Forge mentors her and helps her build self-confidence. Years later, she becomes captain of the ''Archimedes''.<ref>{{cite web | last=Silliman | first=Brian | title=Star Trek: Lower Decks creator Mike McMahan talks S2 finale, Pakleds, and what's next | website=SYFY | date=2021-10-13 | url=https://www.syfy.com/syfy-wire/star-trek-lower-decks-season-2-finale-mike-mcmahan | access-date=2025-09-16}}</ref> The character was originally written as a potential love interest for La Forge.<ref>{{cite web | last=Vineyard | first=Jennifer | title=A Candid Conversation With Total Recall's Original Three-Breasted Woman | website=Vulture | date=2018-08-20 | url=https://www.vulture.com/2012/08/total-recall-three-breasted-woman-interview.html | access-date=2025-09-16}}</ref> |- | {{Visible anchor|Phillip Green}} | [[Phillip Pine]] | [[The Savage Curtain]] ([[Star Trek: The Original Series|TOS]])

[[Demons (Star Trek: Enterprise)|Demons]] ([[Star Trek: Enterprise|ENT]]) | In TOS: Human warlord and despot of the 21st century, notorious for striking at his enemies while negotiating with them. An Excalbian image of him, part of an experiment to study the human concepts of good and evil, led the four-being team which represented evil.

In ''Enterprise'', Colonel Green is shown in a historical video used by the group Terra Prime to justify their existence. |- | {{Visible anchor|Amanda Grayson}} | [[Jane Wyatt]] [[Majel Barrett]] (''Voice'') Cynthia Blaise [[Winona Ryder]] [[Mia Kirshner]] |[[Journey to Babel]] (TOS), [[Yesteryear (Star Trek: The Animated Series)|Yesteryear]] ([[Star Trek: The Animated Series|TAS]]), [[Star Trek IV: The Voyage Home|TVH]], [[Star Trek V: The Final Frontier|TFF]], [[Star Trek (2009 film)|ST09]], [[Lethe (Star Trek: Discovery)|Lethe]], [[Will You Take My Hand?]], [[Brother (Star Trek: Discovery)|Brother]] ([[Star Trek: Discovery|DSC]]) Charades ([[Star Trek: Strange New Worlds|SNW]]) | [[Spock]]'s human mother, married to [[Sarek]].<ref name="Chrono">{{cite book |title=''Star Trek'' Chronology: The History of the Future |publisher=[[Pocket Books]] |year=1996 |isbn=0-671-53610-9 |first=Michael |last=Okuda |author-link=Michael Okuda |author2=Denise Okuda }}</ref> In one timeline, she dies between the events in ''[[Star Trek IV: The Voyage Home]]'' and the ''[[Star Trek: The Next Generation]]'' episode "[[Sarek (Star Trek: The Next Generation)|Sarek]]".<ref name="Chrono" /> In the alternate timeline depicted in the 2009 ''[[Star Trek (2009 film)|Star Trek]]'' movie, she dies when [[Vulcan (Star Trek planet)|Vulcan]] is destroyed. Grayson was first portrayed by [[Jane Wyatt]], who appears in both "[[Journey to Babel]]" and ''The Voyage Home''. [[Majel Barrett]] provided the voice of Amanda in the [[Star Trek: The Animated Series|animated ''Star Trek'']] series. Cynthia Blaise played her in ''[[Star Trek V: The Final Frontier]]''. In the 2009 film ''Star Trek'', the role of Amanda Grayson was played by [[Winona Ryder]].<ref>{{cite web |url=http://comingsoon.net/news/startreknews.php?id=39209 |title=Winona Ryder boards ''Star Trek'' |publisher=ComingSoon.net |date=November 9, 2007 |access-date=May 22, 2009 |archive-date=June 3, 2008 |archive-url=https://web.archive.org/web/20080603084555/http://www.comingsoon.net/news/startreknews.php?id=39209 |url-status=dead }}</ref> [[Mia Kirshner]] played Amanda on the prequel series ''[[Star Trek: Discovery]]''<ref>{{cite web |url=https://trekmovie.com/2017/09/30/exclusive-star-trek-discovery-executive-producers-reveal-who-is-playing-amanda-and-talk-season-2/ |title=''Star Trek: Discovery'' executive producers reveal who is playing Amanda and talk season 2 |publisher=Trekmovie.com |date=September 30, 2017 |first=Anthony |last=Pascale}}</ref> and ''[[Star Trek: Strange New Worlds]]''. |- | [[Guinan (Star Trek)|Guinan]] | [[Whoopi Goldberg]] Isis J. Jones [[Ito Aghayere]] | [[The Child (Star Trek: The Next Generation)|The Child]] (TNG), ''recurring thereafter'' GEN NEM PIC (season 2) | Enigmatic female [[El-Aurian]] Bartender of the Ten Forward Lounge on the ''Enterprise-D'', whose wise counsel proved invaluable many times. She shares a close bond with Captain Picard (a relationship "beyond friendship, beyond family"). |- |}

=== H === {| class="wikitable" |-m ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | Hugh | [[Jonathan Del Arco]] | [[I, Borg]], [[Descent (Star Trek: The Next Generation)|Descent]], [[Descent (Star Trek: The Next Generation)|Descent, Part II]] (TNG), [[The End is the Beginning (Star Trek: Picard)|The End is the Beginning]], [[The Impossible Box]], [[Nepenthe (Star Trek: Picard)|Nepenthe]] (PIC) | First human drone to be de-assimilated by the Federation. After reestablishing his individualism on the ''Enterprise D'', he was later returned by his choice to the Borg. Hugh unintentionally disrupted Borg systems and was left stranded. He was found by Lore, Data's brother, and kept under his control. He was found by Captain Picard and again was freed. Hugh was last working on the partially destroyed Borg cube under control of the Romulans. There, he worked to de-assimilate any that still could be saved. Hugh was killed there protecting his friends by a Romulan agent named Narissa.<ref>{{cite web|url=https://www.newsweek.com/star-trek-picard-hugh-death-borg-cube-nepenthe-jonathan-del-arco-xb-1491024 |title=Ex-Borg Hugh's Character Arc in 'Picard' Embodies the Best of 'Star Trek' |publisher=Newsweek |date=3 July 2020}}</ref> |}

=== I === {{Redirect|Ihat||IHAT (disambiguation)}} {| class="wikitable" |- ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | Ihat | ''None'' | [[Masks (Star Trek: The Next Generation)|Masks]] (TNG) | A masculine personality associated with a ceremonial [[Gorget|neckplate]] with a wings-like design. Data assumes the personality of Ihat multiple times.<ref>{{cite web |url=http://www.st-minutiae.com/resources/scripts/268.txt |title=STAR TREK: THE NEXT GENERATION "Masks"|quote=Data jerks suddenly -- when he turns back to Picard, he has changed into his Ihat personality.|website=Star Trek Minutiae: Exploring the Details of Science Fiction |access-date=11 February 2018}}</ref><ref name="missionlogpodcast.com">{{cite web|url=http://www.missionlogpodcast.com/masks/|title=Masks|date=9 November 2017|website=missionlogpodcast.com}}</ref><ref name="tor.com">{{cite web|url=https://www.tor.com/2013/03/01/star-trek-the-next-generation-masks/|title=Star Trek: The Next Generation Rewatch: "Masks"|date=1 March 2013|website=tor.com}}</ref> |- | {{Visible anchor|[[Ilia (Star Trek)|Ilia]]}}<ref>{{Cite web |title=SHOOTING SCRIPT |url=https://www.st-minutiae.com/resources/scripts/tmp.txt |access-date=30 October 2023 |website=www.st-minutiae.com}}</ref> | [[Persis Khambatta]] | [[Star Trek: The Motion Picture|TMP]] | A female native of Delta IV, she was once involved in a romantic relationship with [[Willard Decker]]. As a [[Starfleet]] lieutenant, she was assigned to the ''Enterprise'' as navigator during the [[V'ger]] crisis. She was killed on the Bridge by one of V'ger's probes, but her appearance was later given to another V'ger probe, which was put aboard the ''Enterprise'' and assigned to learn about the human "infestation". However, this "Ilia probe" was constructed so perfectly by V'ger that it even contained the real Ilia's memories, which were deeply suppressed. Decker, however, was able to access those memories and establish a personal rapport with the probe. Later, when he learned that V'ger needed a "human element" to reveal its data – and, in so doing, stop its attack on Earth – he input the final code sequence manually, and, together with the Ilia probe, merged with V'ger. Ilia was later listed as "missing" in action. |}

=== J === {| class="wikitable" |- ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | [[Kathryn Janeway (Star Trek)|Kathryn Janeway]] | [[Kate Mulgrew]] | [[Caretaker (Star Trek: Voyager)|Caretaker]] ([[Star Trek: Voyager|VOY]]) ''recurring thereafter'', [[Star Trek Nemesis|NEM]], [[Star Trek: Prodigy|PRO]] | Captain of the [[USS Voyager (Star Trek)|USS ''Voyager'']] during its seven years in the Delta Quadrant. Appeared briefly as Admiral Janeway in [[Star Trek Nemesis|''NEM'']] and regularly as both a hologram and the human Admiral in ''[[Star Trek: Prodigy]]''. |- |}

=== K === {| class="wikitable" |- ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | [[Kahless]] | [[Robert Herron]] [[Kevin Conway (actor)|Kevin Conway]] | [[The Savage Curtain]] (TOS), [[Rightful Heir]] (TNG) | Legendary [[Klingon]] warrior and first emperor of the Klingon Empire; also known as "the Unforgettable" among his people. A clone created in 2369 was made ceremonial emperor by [[Gowron]]. |- | {{Visible anchor|[[Lenara Kahn]]}} | [[Susanna Thompson]] | [[Rejoined]] (DS9) | Trill woman hosting the Kahn symbiont, which, as Nilani Kahn in a former life, was married to Torias Dax. |- | {{visible anchor | Verad Kalon}} | [[John Glover (actor)|John Glover]] | [[Invasive Procedures (Star Trek: Deep Space Nine)|Invasive Procedures]] (DS9) | Verad Kalon was an unjoined Trill and failed host candidate who briefly stole the Dax symbiont from Jadzia Dax in 2370. |- | {{Visible anchor|Kamala}} | [[Famke Janssen]] | [[The Perfect Mate]] (TNG) | An empathic metamorph from Krios Prime. Since her birth, she was intended to be Valtese Chancellor Alrik's Kriosian peace bride in an effort to reunite the two planets. |- | {{Visible anchor|Kang}} | [[Michael Ansara]] | [[Day of the Dove]] (TOS), [[Blood Oath (Star Trek: Deep Space Nine)|Blood Oath]] (DS9), [[Flashback (Star Trek: Voyager)|Flashback]] (VOY) | Legendary Klingon warrior and ''Dahar'' Master whose exploits assured him a place in the Hall of Heroes, as told in G'Trok's poem "The Fall of Kang", an epic so important it is required reading at Starfleet Academy. Commander Kang once faced James Kirk in 2269, but later joined him to defeat their true enemy, an energy life form living off their shared hatred when trapped aboard the ''Enterprise'' as undying fodder. Captain Kang later squared off against Captain Sulu's USS ''Excelsior'' during the tensions preceding the Khitomer Conference in 2293. Kang had already met Curzon Dax by then on the Klingon colony Korvat, when Dax intentionally angered Kang to foster a bond—a calculated risk as he walked out during a long diatribe by the shocked Klingon. The Trill envoy became such a trusted family friend that Kang's firstborn, a boy, was made his godson and named "Dax" in his honor. The boy was among those later killed in revenge by the marauding Albino and fostered a blood oath of revenge in turn among Kor, Koloth, and Dax that was finally carried out in 2370 and led to ''Dahar'' Master Kang's death as he struck the death blow on his enemy. He also had defeated T'nag and his army with only colleagues Kor and Koloth, according to Kor's tale in 2372, and later feasted on the leader's heart.

|- | {{Visible anchor|Rayna Kapec}} | [[Louise Sorel]] | [[Requiem for Methuselah]] (TOS) | Android created in the perfect likeness of a young human woman |- | {{Visible anchor|Kargan}} | [[Christopher Collins]] | [[A Matter of Honor]] (TNG) | [[Klingon]] captain of the ''IKS Pagh'' in 2365. He was short, heavyset, and demanded strict adherence to his authority. When he learned of the space organism eating away at a small section of the ''Pagh''{{'}}s hull, and that the ''Enterprise''-D had directed an intense scanning beam at that specific area for two minutes, Kargan believed the Federation starship had landed a first strike against his vessel, so he vowed to attack and destroy the ''Enterprise''-D. He suspected that Commander [[William Riker]], his acting first officer, was complicit in the ''Enterprise''-D's attack, so, to test his loyalty, Kargan demanded to know the surest method of attack against the Federation starship. When Riker refused to break his oath to [[Starfleet]], Kargan relented, knowing at least that Riker wasn't a traitor or a coward. When Riker activated an emergency transponder given to him by [[Worf]], Kargan, believing it was a weapon, demanded that Riker give it to him. Kargan was then beamed aboard the ''Enterprise''-D, and Riker was able to assume command of the ''Pagh'' and defuse the brewing battle. Later, when Kargan was returned to the ''Pagh'', Riker refused to resume his station, so Kargan slugged him and ordered him removed from the ship. That action allowed Kargan to save face and regain honor in the eyes of his officers, and likely averted an assassination attempt by Lieutenant [[Klag]]. |- | {{Visible anchor|Anton Karidian}} | [[Arnold Moss]] | [[The Conscience of the King]] (TOS) | A Shakespearian actor (and father of Lenore Karidian) once known as Kodos the Executioner, Governor of Tarsus IV |- | {{Visible anchor|Lenore Karidian}} | [[Barbara Anderson (actress)|Barbara Anderson]] | [[The Conscience of the King]] (TOS) | A Shakespearian actor (and daughter of Anton Karidian). |- | {{Visible anchor|Karina}} | Annette Helde | [[Visionary (Star Trek: Deep Space Nine)|Visionary]] (DS9) | [[Romulan]] officer who, in 2371, was part of a delegation to [[Space stations and habitats in fiction|Starbase]] [[Deep Space Nine (space station)|''Deep Space Nine'']] to study [[Starfleet Intelligence]] reports on [[Dominion (Star Trek)|the Dominion]]. The Romulans regarded the Dominion as the greatest threat to the [[Alpha Quadrant]], and intended to destroy ''Deep Space Nine'' before collapsing the [[Bajoran]] [[Wormhole]] to prevent any Dominion incursion from the [[Gamma Quadrant]]. |- | {{Visible anchor|[[Walker Keel]]}} | [[Jonathan Farwell]] | [[Conspiracy (Star Trek: The Next Generation)|Conspiracy]] (TNG) | Starfleet captain and commanding officer of the USS ''Horatio'' who warned [[Jean-Luc Picard|Picard]] about an alien invasion. |- | {{Visible anchor|[[Edith Keeler]]}} | [[Joan Collins]] | [[The City on the Edge of Forever]] (TOS) | In 1930, during the [[Great Depression]], Keeler was a social worker who died in a traffic accident. Centuries later, during a survey of the Guardian of Forever by the USS ''Enterprise'', the ship's Chief Medical Officer, Dr. Leonard McCoy, during a temporary bout of insanity brought on by an accidental injection of cordrazine, escaped into Earth's past. While there, he saved Keeler's life, which sparked a chain of events throughout the timeline, essentially changing history. In the altered timeline, Keeler, a passionate believer in peace, founded a movement which delayed the entry of the United States into World War II, thus paving the way for an Axis victory. Subsequently, Starfleet, the Federation, and the USS ''Enterprise'' were gone, but the proximity to the Guardian of Forever by the landing party allowed Captain James T. Kirk and First Officer Spock to follow McCoy into the past. Kirk and Spock were able to prevent McCoy from saving Keeler's life, thus restoring the timeline. These events were particularly stressful for Kirk, as he had fallen in love with Keeler. |- | {{Visible anchor|Keenser}}<ref>{{cite web |date=June 18, 2013 |author=StarTrek.com staff |title=EXCLUSIVE INTERVIEW: Deep Roy, Scotty's Alien Pal, Keenser |url=https://www.startrek.com/article/exclusive-interview-deep-roy-scottys-alien-pal-keenser |website=StarTrek.com }}</ref> | [[Deep Roy]] | [[Star Trek (2009 film)|ST09]] [[Star Trek Into Darkness|STID]] [[Star Trek Beyond|STB]] | In 2258, in the alternate reality, Keenser worked with Montgomery Scott at an automated Federation outpost on Delta Vega. He was Scott's only company for months before Spock and James T. Kirk arrived. After the ''Enterprise'' successfully defeated Nero and the Romulan mining vessel Narada, Keenser joined the ''Enterprise'' crew as an engineer under Scott. |- | {{Visible anchor|Keevan}} | Christopher Shea | [[Rocks and Shoals (Star Trek: Deep Space Nine)|Rocks and Shoals]], [[The Magnificent Ferengi]] (DS9) | A Vorta field commander who sacrificed his Jem'Hadar troops to save his own life. He was later killed by Gaila when Quark and his team tried to trade him back to the Dominion for Quark's mother. |- | {{Visible anchor|K'Ehleyr}} | [[Suzie Plakson]] | [[The Emissary (Star Trek: The Next Generation)|The Emissary]] (TNG), [[Reunion (Star Trek: The Next Generation)|Reunion]] (TNG) | Half-Klingon, half-human. [[Worf]]'s mate and [[Alexander Rozhenko]]'s mother. Killed by Duras. |- | {{Visible anchor|Keldar}} | ''None'' | [[The House of Quark]] (DS9) | A [[Ferengi]], deceased husband of [[Ishka]] and father of [[Quark (Star Trek)|Quark]] and [[Rom (Star Trek)|Rom]]. (Only discussed, never seen.) |- | {{Visible anchor|Kell}} | [[Lawrence Dobkin|Larry Dobkin]] | [[The Mind's Eye (Star Trek: The Next Generation)|The Mind's Eye]] (TNG) | [[Klingon]] ambassador who accompanied the ''Enterprise''-D to the planet Krios in 2367 to investigate Klingon Governor [[Vagh]]'s claim that [[Starfleet]] was supplying weapons to Kriosian rebels. Kell was colluding with the [[Romulan]]s to disrupt the alliance between the Federation and the Klingon Empire. The Romulans had "conditioned" [[Geordi La Forge]] to receive E-band transmissions through his [[VISOR]]. Kell carried the transmitter that instructed La Forge to kill Governor Vagh, but the attempt failed. Kell was taken into custody by Vagh. |- | {{Visible anchor|Captain Keogh}} | [[Alan Oppenheimer]] | [[The Jem'Hadar]] (DS9) | Commanding officer of the ill-fated USS ''Odyssey''. |- | [[Kes (Star Trek)|Kes]] | [[Jennifer Lien]] | [[Caretaker (Star Trek: Voyager)|Caretaker]] ([[Star Trek: Voyager|VOY]]), ''recurring thereafter'' | Ocampa woman, partner of [[Neelix]] who joins the [[USS Voyager (Star Trek)|USS ''Voyager'']] crew for several years before evolving into a different state and so being forced to leave. |- | {{Visible anchor|Kessick}} | [[Richard Lineback]] | [[The Xindi]] (ENT) | [[Xindi (Star Trek)|Xindi]] Primate, slave in a [[Trellium-D]] mine |- | [[Harry Kim (Star Trek)|Harry Kim]] | [[Garrett Wang]] | [[Caretaker (Star Trek: Voyager)|Caretaker]] ([[Star Trek: Voyager|VOY]]), ''recurring thereafter'' | Ensign and operations officer aboard the [[USS Voyager (Star Trek)|USS ''Voyager'']] during its seven years in the Delta Quadrant. Despite his rank of ensign, he sits on the senior staff meetings and occasionally takes over command for "night" shifts. |- | {{Visible anchor|Kira Meru}} | [[Leslie Hope]] | [[Wrongs Darker Than Death or Night]] (DS9) | Mother of Kira Nerys and was a comfort woman for Gul Dukat for seven years. |- | [[Kira Nerys]] | [[Nana Visitor]] ''Unknown child actress'' | [[Emissary (Star Trek: Deep Space Nine)|Emissary]] ([[Star Trek: Deep Space Nine|DS9]]), ''recurring thereafter'' | Former resistance fighter against Cardassian occupation, a Bajoran Militia officer (Major, later Colonel) assigned as Benjamin Sisko's first officer on the starbase ''Deep Space Nine''. She has a Starfleet field commission of Commander when she serves as advisor for Damar's rebellion against the Dominion. At the end of the series, she takes over command of ''Deep Space Nine''. |- | {{Visible anchor|Kira Pohl}} | | [[Wrongs Darker Than Death or Night]] (DS9) | Brother of [[Kira Nerys]] |- | {{Visible anchor|Kira Reon}} | | [[Wrongs Darker Than Death or Night]] (DS9) | Brother of [[Kira Nerys]] |- | {{Visible anchor|Kira Taban}} | [[Thomas Kopache]] | [[Wrongs Darker Than Death or Night]], [[Ties of Blood and Water]] (DS9) | Father of [[Kira Nerys]] |- | {{Visible anchor|Aurelan Kirk}} | Joan Swift | [[Operation -- Annihilate!]] (TOS) | Wife of George Samuel Kirk, Jr., mother of Peter Kirk, sister-in-law of [[James T. Kirk]] |- | [[Sam Kirk (Star Trek)|George Samuel Kirk, Jr.]] | [[William Shatner]] (TOS) [[Dan Jeannotte]] (SNW) | [[Operation -- Annihilate!]] (TOS) | Brother of [[James T. Kirk]]. James usually referred to his brother by his middle name, "Sam". |- | {{Visible anchor|George Samuel Kirk, Sr.}} | [[Chris Hemsworth]] | [[Star Trek (2009 film)|ST09]] | Father of [[James T. Kirk]] and George Samuel Kirk, Jr. Served as first officer on the [[Starfleet]] vessel USS ''Kelvin''. |- | [[James T. Kirk]] | [[William Shatner]] (TOS) [[Chris Pine]] (ST09, STID, STB) [[Paul Wesley]] (SNW) | [[Star Trek: The Original Series|TOS]], [[Star Trek: The Animated Series|TAS]], [[Star Trek: The Motion Picture|TMP]], [[Star Trek II: The Wrath of Khan|WOK]], [[Star Trek III: The Search for Spock|SFS]], [[Star Trek IV: The Voyage Home|TVH]], [[Star Trek V: The Final Frontier|TFF]], [[Star Trek VI: The Undiscovered Country|TUC]], [[Star Trek Generations|GEN]], [[Star Trek (2009 film)|ST09]], [[Star Trek Into Darkness|STID]], [[Star Trek Beyond|STB]] | Captain of the USS ''Enterprise'' ([[USS Enterprise (NCC-1701)|NCC-1701]] and [[USS Enterprise (NCC-1701-A)|NCC-1701-A]]), major character in the original and first animated ''Star Trek'' series and ten ''Star Trek'' movies. In [[Star Trek Generations|''GEN'']] Kirk is presumed dead; in fact he has been in the Nexus for 75 years when he is discovered by Jean-Luc Picard; at the end Kirk helps save the universe at the cost of his own life at the age of 137 years; a [[running gag]] in the film series is that although Kirk has many love affairs with women, he has only one child: his son David Marcus from an affair with Dr. Carol Marcus. |- | {{Visible anchor|Peter Kirk}} | [[Craig Huxley|Craig Hundley]] | [[Operation -- Annihilate!]] (TOS) | Son of George Samuel, Jr. and Aurelan Kirk, nephew of [[James T. Kirk]] |- | {{Visible anchor|Winona Kirk}} | [[Jennifer Morrison]] | [[Star Trek (2009 film)|ST09]] | [[James T. Kirk]]'s mother |- | {{Visible anchor|K'Kath}} | Chad Haywood | [[Real Life (Star Trek: Voyager)|Real Life]] (VOY) | Klingon friend of Jeffrey in the holographic family program modified by Torres. |- | {{Visible anchor|Klaa}} | Todd Bryant | [[Star Trek V: The Final Frontier|TFF]] | Young Klingon captain of a Bird-of-Prey. He is also the gunner, as the tactical scope is mounted above his command chair and lowers like a periscope when he wants to fire the ship's disruptors. He is bored with shooting space garbage, such as Earth's ''[[Pioneer 10]]'' probe, and longs for a bigger challenge to make a name for himself. When he learns that the [[USS Enterprise (NCC-1701-A)|''Enterprise''-A]] and Captain [[James T. Kirk]] are headed to Nimbus III, he arranges to intercept them. Klaa shoots at but misses the ''Enterprise'', which suddenly engages warp speed. He follows her to Sha Ka Ree and this time scores a hit. He orders the ''Enterprise'' to surrender, but General Korrd calls him off and forces him to rescue Kirk from the surface of Sha Ka Ree. At a "cocktail party" aboard the ''Enterprise'', he salutes Kirk as a fellow warrior. One of Klaa's more memorable features, besides his muscles, is his wild "shock rock" hair.{{Original research inline|date=August 2010}} Noncanon: In the movie novelization, Klaa's Bird-of-Prey is called ''Okrona''. |- | {{Visible anchor|[[Klag]]}} | [[Brian Thompson (actor)|Brian Thompson]] | [[A Matter of Honor]] (TNG) | [[Klingon]] lieutenant and second officer of IKS ''Pagh'' in 2365. He challenged Commander [[William Riker]]'s authority over him as first officer of ''Pagh'' during an officer-exchange program. After Riker demonstrated his authority over him, Klag agreed to take his orders and even respected the commander for his strength. Klag's father had once been captured in battle by [[Romulan]]s, but not allowed to die. He eventually escaped, and now lives on [[Qo'noS]], honorless, waiting for death by natural causes. For that reason, Klag refuses to see him. When Captain Kargan suspected that Riker was complicit in ''Enterprise''-D's "attack" on ''Pagh'', Klag disagreed and defended the commander. |- | {{Visible anchor|Klingon ''Amar'' Captain}} | [[Mark Lenard]] | [[Star Trek: The Motion Picture|TMP]] | He commanded three ''K't'inga''-class battle cruisers in an attack against [[V'ger]] in Quad L-14. His flagship, the Imperial Klingon Cruiser ''Amar'', was the last to be destroyed. |- | {{Visible anchor|Klingon Captain}} | K.L. Smith | [[Elaan of Troyius]] (TOS) | He commanded the [[Klingon]] warship that stalked the ''Enterprise'' through the Tellun Star System. After Kryton had sabotaged the ''Enterprise''{{'}}s warp engines, the Klingon demanded that Kirk surrender unconditionally and immediately. |- | {{Visible anchor|[[K'mpec]]}} | [[Charles Cooper (actor)|Charles Cooper]] | [[Sins of the Father (Star Trek: The Next Generation)|Sins of the Father]], [[Reunion (Star Trek: The Next Generation)|Reunion]] (TNG) | [[Klingon]] chancellor and supreme commander who oversaw Worf's discommendation. Later poisoned by [[House of Duras|Duras]] and succeeded by [[Gowron]]. In his time, K'mpec served as leader of the Klingon Empire longer than anyone previously. |- | {{Visible anchor|[[K'mtar]]}} | [[James Sloyan]] | [[Firstborn (Star Trek: The Next Generation)|Firstborn]] (TNG) | The adult [[Alexander Rozhenko]] from a possible future. |- | {{Visible anchor|K'nera}} | [[David Froman]] | [[Heart of Glory]] (TNG) | [[Klingon]] commander of a ''K't'inga''-class battle cruiser that was patrolling the area of the [[Romulan Neutral Zone]] in 2364, seeking the whereabouts of the IKS ''T'Acog''. When he learned that the criminals Korris, Konmel, and Kunivas had been rescued by the ''Enterprise''-D, he plotted an intercept course and demanded that Captain [[Jean-Luc Picard]] turn them over when he arrived. By that time, however, all three Klingons had died from injuries or were killed during their escape attempt. |- | {{Visible anchor|Kodos}} | [[Arnold Moss]] | [[The Conscience of the King]] (TOS) | Governor of Tarsus IV, also known as "the Executioner", who engaged in a large-scale [[eugenics]] program to counter the impending threat of starvation to the colony; later assumed the role of actor [[Anton Karidian]] leading a traveling Shakespeare company called the "Karidian Players". |- | {{Visible anchor|Kohlar}} | Wren T. Brown | [[Prophecy (Star Trek: Voyager)|Prophecy]] (VOY) | Klingon commander of a [[generation ship|generational starship]] of the D7 class, leader of a group of Klingons who were searching for the ''kuva'magh'', or "savior" of Klingon culture. Kohlar and his followers are found to be infected with the Klingon ''nehret'' retrovirus disease by ''Voyager''{{'}}s holographic Doctor, which is cured with DNA from B'Elanna Torres's unborn daughter Miral Paris. |- | {{Visible anchor|Kol}} | J.R. Quinonez [[Leslie Jordan]] | [[The Price (Star Trek: The Next Generation)|The Price]] (TNG), [[False Profits]] (VOY) | One of two Ferengi stranded in the Delta Quadrant after attempting to secure the Barzan wormhole for themselves. Crash-landing on the Takaran homeworld, they insinuated themselves to be the Holy Sages prophesied by the Takaran "Song of the Sages" to exploit the Takarans for profit. |- | {{Visible anchor|Kolopak}} | [[Henry Darrow]] | [[Tattoo (Star Trek: Voyager)|Tattoo]] (VOY), [[Basics (Star Trek: Voyager)|Basics, Part 1]] (VOY) | Father of [[Chakotay]] |- | {{Visible anchor| Koloth}} | [[William Campbell (film actor)|William Campbell]] [[James Doohan]] (''Voice'') | [[The Trouble with Tribbles]] (TOS), [[More Tribbles, More Troubles]] (TAS), [[Blood Oath (Star Trek: Deep Space Nine)|Blood Oath]] (DS9) | Klingon captain who faced Kirk twice over [[tribble]]s; later, as ''Dahar'' Master, he swore a blood oath with Kor, Kang and Curzon Dax to kill the Albino. Koloth was killed during the assault on the Albino's fortress. [[James Doohan]] voiced the character in the animated episode.

|- | {{Visible anchor|Sirna Kolrami}} | [[Roy Brocksmith]] | [[Peak Performance (Star Trek: The Next Generation)|Peak Performance]] (TNG) | [[Zakdorn]] master strategist and consultant for war games between the ''Enterprise''-D and the USS ''Hathaway''. Master in the game of [[List of games in Star Trek#Strategema|Strategema]]. |- | {{Visible anchor|Komack}} | [[Byron Morrow]] | [[Amok Time]] (TOS) | Starfleet admiral who orders [[James T. Kirk|Captain Kirk]] to Altair VI rather than [[Vulcan (Star Trek planet)|Vulcan]] until pressured by [[T'Pau (Star Trek)|T'Pau]] |- | {{Visible anchor|Anastasia Komononov}} | [[Nana Visitor]] | [[Our Man Bashir]] (DS9) | A Russian KGB colonel in Bashir's secret agent program. Due to a transporter malfunction, Komononov's physical parameters were temporarily modelled on Kira. |- | {{Visible anchor|Konmel}} | Charles H. Hyman | [[Heart of Glory]] (TNG) | [[Klingon]] lieutenant who, with Korris and Kunivas, left the Klingon Defense Force to pursue a life in which he could live like a "true Klingon". In 2364, the trio stole the [[Talarian]] freighter ''Batris'' and subsequently destroyed the IKS ''T'Acog'', which had been sent to retrieve them. After being rescued by the ''Enterprise''-D, Korris and Konmel lied to Captain [[Jean-Luc Picard]] about the battle, but later revealed their true intentions to Lieutenant (j.g.) [[Worf]]. By then, Klingon commander K'near had apprised Picard of the Klingons' criminal status, so Picard detained them in the brig. They escaped, but Konmel was killed in a firefight with ''Enterprise''-D security. To his credit, though, it took three phaser shots to bring him down. |- | {{Visible anchor|Konsab}} | ''None'' | [[Face of the Enemy (Star Trek: The Next Generation)|Face of the Enemy]] (TNG) | [[Romulan]] commander and former instructor of military history at the Romulan Intelligence Academy. His main theme consisted of theories on the differences between the military and the Tal Shiar. He believed that military officers must trust one another to function. (The dialogue was unclear, but Konsab may have been Commander Toreth's father. She described him as an "idealistic old man" and a "devoted citizen who only tried to speak his mind". The Tal Shiar dragged him from his home in the middle of the night, and Toreth never saw him again.) |- | {{Visible anchor|[[Kor (Star Trek)|Kor]]}} | [[John Colicos]] [[James Doohan]] (''Voice'') | [[Errand of Mercy]] (TOS), [[The Time Trap]] (TAS), [[Blood Oath (Star Trek: Deep Space Nine)|Blood Oath]], [[The Sword of Kahless]], [[Once More unto the Breach (Star Trek: Deep Space Nine)|Once More unto the Breach]] (DS9) | The first named Klingon to appear in ''Star Trek'', as an antagonist to Kirk. Commander Kor briefly ruled the planet [[Organia]] as its military governor. A few years later, Captain Kor's ship, the IKS ''Klothos'', was lost in the Delta Triangle, but later escaped with help from the ''Enterprise''. John Colicos reprised the role in three ''Deep Space Nine'' episodes, as an ally and friend of Jadzia and Ezri Dax. ''Dahar'' Master Kor was killed in glorious battle by acting as a decoy to hold off the [[Jem'Hadar]] while the rest of the Klingon fleet escapes ("[[Once More unto the Breach (Star Trek: Deep Space Nine)|Once More Unto the Breach]]"). [[James Doohan]] voiced the character in the animated episode.

In March 2019, [[Syfy|SyFy]] rated the Kor as the 3rd greatest Klingon of the ''Star Trek'' franchise, behind only [[Worf]] and [[Martok]].<ref name=":0">{{Cite web|url=https://www.syfy.com/syfywire/it-is-a-good-day-to-die-ranking-the-top-ten-klingons-in-all-of-star-trek|title=It is a good day to die: Ranking the top ten Klingons in all of Star Trek|last=Silliman|first=Brian|date=2019-03-07|website=SYFY WIRE|language=en|access-date=2019-03-11|archive-date=2019-04-01|archive-url=https://web.archive.org/web/20190401083913/https://www.syfy.com/syfywire/it-is-a-good-day-to-die-ranking-the-top-ten-klingons-in-all-of-star-trek|url-status=dead}}</ref> |- | {{Visible anchor|Korax}} | [[Michael Pataki]] | [[The Trouble with Tribbles]] (TOS) | [[Klingon]] first officer of the IKS ''Gro'th'' under Captain [[Koloth]]. He instigates the bar fight on Deep Space Station ''K-7'' by taunting Montgomery Scott, first calling Captain Kirk a "tin-plated dictator with delusions of godhood", then calling the ''Enterprise'' a "sagging old rust bucket that's designed like a garbage scow". However, when he says that the ''Enterprise'' should be hauled away ''as'' garbage, Scotty throws the first punch. |- | {{Anchor|Roger Korby}}{{Visible anchor|Roger Korby}} | [[Michael Strong]] | [[What Are Little Girls Made Of?]] (TOS) | Deceased fiancé of ''[[USS Enterprise (NCC-1701)|Enterprise]]'' nurse [[Christine Chapel]] whose android replica contended with [[James T. Kirk|Captain Kirk]] on Exo III. |- | {{Visible anchor|Korgano}} | ''None'' | [[Masks (Star Trek: The Next Generation)|Masks]] (TNG) | A masculine personality associated with Korgano's moon symbol and Korgano's silver mask. Captain Picard wears Korgano's mask and poses as Korgano to confront [[Masaka (character)|Masaka]].<ref>{{cite web |url=http://www.st-minutiae.com/resources/scripts/268.txt |title=STAR TREK: THE NEXT GENERATION "Masks"|quote=You're going to pose as Korgano.|website=Star Trek Minutiae: Exploring the Details of Science Fiction |access-date=11 February 2018}}</ref><ref name="missionlogpodcast.com"/><ref name="tor.com"/> |- | {{Visible anchor | Kruge}} | [[Christopher Lloyd]] | [[Star Trek III: The Search For Spock]] | Klingon commanding officer who destroyed the USS ''Grissom'', ordered David Marcus killed, and battled with and was killed by Kirk on the Genesis planet. |- | {{Visible anchor | Jake Kurland}} | Stephen Gregory | [[Coming of Age (Star Trek: The Next Generation)|Coming of Age]] (TNG) | Male Human civilian who became somewhat depressed about not getting the chance to take the final Starfleet Academy entrance exam on Relva VII in 2364. He stole the Type 7 shuttlecraft ''Copernicus'' and would have crushed on Relva VII, if Captain Picard had not directed him to perform a specific flight maneuver. |- | [[Kurn]] | [[Tony Todd]] | [[Sins of the Father (Star Trek: The Next Generation)|Sins of the Father]] (TNG) ''recurring thereafter'', [[Sons of Mogh]] (DS9) | Younger brother of [[Worf]] and also a son of [[Mogh]] who was not on [[Khitomer]] when the Klingon colony was destroyed by the [[Romulan]]s. Years later, as a member of the Klingon Defense Force, Commander Kurn participated in an officer-exchange program with [[Starfleet]] that landed him aboard the USS ''Enterprise''-D and reunited him with Worf ("[[Sins of the Father (Star Trek: The Next Generation)|Sins of the Father]]"). More than a year later, Captain Kurn commands his own K'Vort-class bird-of-prey and sides with [[Gowron]] during the [[Klingon Civil War]] ("Redemption II"). More than four years later, a ruined Kurn appears on starbase ''Deep Space Nine'' ("The Sons of Mogh") and asks Worf to kill him to restore his honor, which, along with his seat on the [[Klingon High Council]] and the House of Mogh's most valuable possessions, were stripped from him because Worf fought against Gowron during the chancellor's takeover of [[Cardassia Prime]] ("[[The Way of the Warrior (Star Trek: Deep Space Nine)|The Way of the Warrior]]"). |}

=== L === {| class="wikitable" |- ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | {{Visible anchor|Edward La Forge}} | [[Ben Vereen]] | [[Interface (Star Trek: The Next Generation)|Interface]] (TNG) | [[Starfleet]] commander and father of [[Geordi La Forge]]. He is a Ph.D. exozoologist. |- | [[Geordi La Forge]] | [[LeVar Burton]] | [[Encounter at Farpoint]] ([[Star Trek: The Next Generation|TNG]]) ''recurring thereafter'', [[Timeless (Star Trek: Voyager)|Timeless]] (VOY), [[Star Trek Generations|''GEN'']], [[Star Trek: First Contact|''FCT'']], [[Star Trek: Insurrection|''INS'']], [[Star Trek: Nemesis|''NEM'']], [[Star Trek: Picard season 3#ep6|The Bounty]] ([[Star Trek: Picard|PIC]]) ''recurring thereafter'' | Chief engineer of the ''Enterprise''-D and -E, lead curator of the Starfleet Museum in 2401, captain of the Galaxy-class USS ''Challenger'' in an alternate future |- | {{Visible anchor|Silva La Forge}} | [[Madge Sinclair]] | [[Interface (Star Trek: The Next Generation)|Interface]] (TNG) | Starfleet captain and mother of [[Geordi La Forge]]. She commanded the USS ''Hera'' (NCC-62006), which disappeared without a trace. The life forms of Moriginy VII use her appearance to communicate with Geordi, who helps return them to the atmosphere where they live. |- | {{Visible anchor|Lal}} | [[Hallie Todd]] | [[The Offspring (Star Trek: The Next Generation)|The Offspring]] (TNG) | Daughter of [[Data (Star Trek)|Data]] |- | {{Visible anchor|Natima Lang}} | [[Mary Crosby]] | [[Profit and Loss (Star Trek: Deep Space Nine)|Profit and Loss]] (DS9) | Cardassian radical, the love of [[Quark (Star Trek)|Quark]]'s life |- | {{Visible anchor|Larg (Captain)}} | [[Mike Hagerty|Michael G. Hagerty]] | [[Redemption (Star Trek: The Next Generation)|Redemption II]] (TNG) | Klingon captain who supports the [[House of Duras]]'s claim to the chancellorship during the [[Klingon Civil War]] of 2367–2368. Although he and Captain [[Kurn]] fight on opposite sides, they drink together in the First City on [[Qo'noS]] after battle. |- | {{Visible anchor|Larg (Hologram)}} | Stephen Ralston | [[Real Life (Star Trek: Voyager)|Real Life]] (VOY) | [[Klingon]] friend of Jeffrey in the holographic family program modified by [[B'Elanna Torres|Torres]]. |- | {{Visible anchor|Sam Lavelle}} | [[Dan Gauthier]] | [[Lower Decks (Star Trek: The Next Generation)|Lower Decks]] (TNG) | Ensign and flight controller aboard the ''Enterprise''-D. He is Canadian by heritage. He tests for the operations manager (ops) position on the Bridge, but believes that his friend, Ensign [[Sito Jaxa]], is more qualified. After Sito is suddenly killed during a secret mission, Lavelle is promoted to lieutenant junior grade and wins the assignment to ops. |- | {{Visible anchor|Lazarus}} | [[Robert Brown (American actor)|Robert Brown]] | [[The Alternative Factor]] (TOS) | Lazarus-A was a Time traveling scientist who went insane when he found out his parallel universe counterpart Lazarus-B had found a way to go between two universes (One positive matter and one anti-matter). While Lazarus in the Positive Universe kept changing from Lazarus-A (Insane) to Lazarus-B (sane) the only place Both versions of Lazarus could meet together at the same time was within a negative magnetic Warp corridor between both universes (if they ever meet each other outside the magnetic Corridor within either universe both the meeting of the Positive matter and Negative Anti-matter would result in the destruction of both universes). After Captain Kirk learns the truth from Lazarus-B about Lazarus-A plan [who is trying to reach the anti-matter universe], Captain Kirk threw Lazarus-A into his Timespaceship/doorway into the magnetic corridor and then had his time spaceship/doorway destroyed by the ''Enterprise'' phasers; this action saved both universes since it also destroyed Lazarus-B Timeship/doorway as well-leaving both Lazarus A and Lazarus B trapped fighting forever in the magnetic corridor. |- | [[Leeta]] | [[Chase Masterson]] | [[Explorers (Star Trek: Deep Space Nine)|Explorers]] (DS9) ''recurring thereafter'' | [[Bajoran]] woman employed as a [[dabo girl]] in [[Quark (Star Trek)|Quark]]'s bar on ''DS9''. She married [[Rom (Star Trek)|Rom]] after a brief romance with [[Julian Bashir]]. |- | {{Visible anchor|Robin Lefler}} | [[Ashley Judd]] | [[Darmok]] (TNG), [[The Game (Star Trek: The Next Generation)|The Game]] (TNG) | Ensign aboard the [[USS Enterprise (NCC-1701-D)|''Enterprise''-D]] (engineering section) and friend of [[Wesley Crusher]]. Major character in ''[[Star Trek: New Frontier]]'' spinoff novels and in fan film project ''[[Star Trek: Hidden Frontier]]'' |- | {{Visible anchor|Elizabeth Lense}} | Bari Hochwald | [[Explorers (Star Trek: Deep Space Nine)|Explorers]] (DS9) | Valedictorian in [[Julian Bashir]]'s [[Starfleet Medical]] School class, assigned Chief Medical Officer of the USS ''Lexington''. |- | {{Visible anchor|Leskit}} | [[David Graf]] | [[Soldiers of the Empire]] (DS9) | A [[Klingon]], pilot of the IKS ''Rotarran'' when General [[Martok]] assumes command. |- | {{Visible anchor|Lt. Leslie}} | [[Eddie Paskey]] | [[Where No Man Has Gone Before]] (TOS) ''recurring thereafter'' | Lieutenant Leslie wears many hats aboard the ''Enterprise'', from security officer to relief helmsman to manning the bridge engineering station. Although he was killed in the second-season episode "[[Obsession (Star Trek: The Original Series)|Obsession]]", he was apparently revived, and went on to appear in several subsequent episodes. |- | {{Visible anchor|Janice Lester}} | [[Sandra Smith (actress)|Sandra Smith]] | [[Turnabout Intruder]] (TOS) | Former lover of [[James T. Kirk|Kirk]], who temporarily swapped bodies with him. |- | {{Visible anchor|[[Li Nalas]]}} | [[Richard Beymer]] | [[The Homecoming (Star Trek: Deep Space Nine)|The Homecoming]], [[The Circle (Star Trek: Deep Space Nine)|The Circle]], [[The Siege (Star Trek: Deep Space Nine)|The Siege]] (DS9) | Bajoran resistance fighter who became a hero of mythological proportions after accidentally killing a Cardassian soldier |- | {{Visible anchor|[[Abraham Lincoln]]}} | [[Lee Bergere]] | [[The Savage Curtain]] (TOS) | Alien creature faithfully masquerading as [[American president]] Abraham Lincoln |- | {{Visible anchor|Linnis}} | [[Jessica Collins]] | [[Before and After (Star Trek: Voyager)|Before and After]] (VOY) | Daughter of [[Tom Paris]] and [[Kes (Star Trek)|Kes]], and mother of Andrew, in an alternate timeline. |- | {{Visible anchor|L'Naan}} | ''None'' | [[Prophecy (Star Trek: Voyager)|Prophecy]] (VOY) | A Klingon, daughter of Krelik, mother of Miral, grandmother of [[B'Elanna Torres]] |- | {{Visible anchor|[[Nicholas Locarno]]}} | [[Robert Duncan McNeill]] | [[The First Duty]] (TNG), The Inner Fight, Old Friends, New Planets ([[Star Trek: Lower Decks|LOW]]) | Classmate of [[Wesley Crusher]] and Beckett Mariner at Starfleet Academy, and former team leader of Nova Squadron. Expelled for attempting to cover up their attempt at a banned maneuver, which resulted in the death of a squad member. Locarno returns in [[Star Trek: Lower Decks season 4|''Lower Decks'' season four]] as the leader of Nova Fleet, which consist of mutineers from various factions in the Alpha and Beta Quadrants. |- | {{Visible anchor|Locutus}} | [[Patrick Stewart]] | [[The Best of Both Worlds (Star Trek: The Next Generation)|The Best of Both Worlds Part 1 & 2]] (TNG), [[Emissary (Star Trek: Deep Space Nine)|Emissary]] (DS9), [[Star Trek: First Contact|FCT]] | Drone within the Borg Collective made using the body of Captain [[Jean-Luc Picard|Picard]]. |- | {{Visible anchor|Logan}} | [[Vyto Ruginis]] | [[The Arsenal of Freedom]] (TNG) | Chief Engineer of the [[USS Enterprise (NCC-1701-D)|''Enterprise''-D]], later succeeded by Geordi La Forge |- | [[Gabriel Lorca]] | [[Jason Isaacs]] | [[Star Trek: Discovery|DSC]] | Captain of the USS ''Discovery'', major character in ''[[Star Trek: Discovery]]''. |- | [[Lore (Star Trek)|Lore]] | [[Brent Spiner]] | [[Datalore]] (TNG) ''recurring thereafter'' | "Evil twin brother" of Lt. Commander [[Data (Star Trek)|Data]]. |- | {{Visible anchor|Lori Ciana}} | Susan J. Sullivan | [[Star Trek: The Motion Picture|TMP]] | Starfleet officer who was killed during a transporter malfunction while beaming up to the ''Enterprise''. Commander [[Sonak]] died in the same accident. In the TMP novelization by Gene Roddenberry, Ciana was a vice admiral and part of Commanding Admiral Nogura's inner staff. Her assignment was as xenopsychologist to nonhuman species in [[Starfleet|Starfleet Command]], and she also served as Nogura's personal representative to the "new human" groups on Earth. She was a last-minute addition to the ''Enterprise'' crew, which needed an officer trained in her xenopsychiatric specialty. Her death was a terrific blow to [[James T. Kirk]], with whom she had lived for one year after the ''Enterprise''{{'}}s five-year mission. |- | {{Visible anchor|Loskene}} | [[Barbara Babcock]] (''Voice'') | [[The Tholian Web]] (TOS) | [[Tholian]] commander who catches the ''Enterprise'' "trespassing in a territorial annex of the Tholian Assembly", where the USS ''Defiant'' (NCC-1764) disappeared into an area of spatial [[interphase]]. Loskene agrees to wait for 1 hour and 53 minutes while the ''Enterprise'' effects rescue operations. However, when that time elapses, he attacks the ''Enterprise'' and later joins with another Tholian ship to create an "energy web" around the ''Enterprise''. |- | {{Visible anchor|Phillipa Louvois}} | [[Amanda McBroom]] | [[The Measure of a Man (Star Trek: The Next Generation)|The Measure of a Man]] (TNG) | Starfleet captain and Judge Advocate General at [[Space stations and habitats in fiction|Starbase]] 173. She prosecuted Captain Jean-Luc Picard after the loss of the ''Stargazer'' (NCC-2893). |- | {{Visible anchor|Lovok}} | [[Leland Orser]] | [[The Die Is Cast (Star Trek: Deep Space Nine)|The Die Is Cast]] (DS9) | A Founder disguised as a [[Romulan]] Tal Shiar colonel in 2371. He was in command of [[Enabran Tain]]'s flagship [[Romulan Warbird|Warbird]]. When the [[Obsidian Order]] and the Tal Shiar began their attack on [[Dominion (Star Trek)|the Founders]]' homeworld, Lovok gave [[Odo (Star Trek)|Odo]] and [[Elim Garak]] access to their [[Runabout (Star Trek)|Runabout]] to escape, because "no changeling has ever harmed another". He offered Odo the chance to go with him and become one with the Great Link, but Odo declined. Lovok was beamed away by a [[Jem'Hadar]] transporter. |- | {{Visible anchor|Lumba}} | [[Armin Shimerman]] | [[Profit and Lace]] (DS9) | Name of [[Quark (Star Trek)|Quark]]'s persona while pretending to be a [[Ferengi]] female |- | [[Lursa and B'Etor|Lursa]] | [[Barbara March]] | [[Redemption (Star Trek: The Next Generation)|Redemption, Part I]] (TNG) ''recurring thereafter'', [[Past Prologue]] (DS9), [[Star Trek Generations|GEN]] | One of the sisters of [[House of Duras|Duras]]. ''Time'' rated Lursa and B'Etor, second best villains of the ''Star Trek'' franchise in 2016.<ref>{{Cite magazine|url=https://time.com/4477514/best-star-trek-villains-ever/|title=Star Trek's 10 Most Villainous Villains|magazine=Time|language=en|access-date=2019-04-17|archive-date=2019-05-12|archive-url=https://web.archive.org/web/20190512170117/http://time.com/4477514/best-star-trek-villains-ever/|url-status=dead}}</ref>

|- | {{Visible anchor|Lutan}} | [[Jessie Lawrence Ferguson]] | [[Code of Honor (Star Trek: The Next Generation)|Code of Honor]] (TNG) | Planetary ruler who became enamored of [[Tasha Yar]] |}

=== M === {| class="wikitable" |- ! width="10%"|Character || width="15%"|Actor || width="20%" | Appearances || width="55%" | Description |- | {{Visible anchor|M-113 Creature}} | Sandra Gimpel | [[The Man Trap]] (TOS) | A creature native to planet M-113 that feeds on salt and has the ability to project the appearance of anyone it wishes. |- | {{Visible anchor|Bruce Maddox}} | Brian Brophy (TNG), [[John Ales]] (PIC) | [[The Measure of a Man (Star Trek: The Next Generation)|The Measure of a Man]] (TNG), [[Stardust City Rag]] (PIC) | Starfleet commander and scientist who had opposed [[Data (Star Trek)|Data]]'s entry into [[Starfleet]] on the grounds that Data "is not alive"; later tried and failed to have Data assigned to him for dis-assembly and research then started receiving self-evaluation reports from Data (cf. "[[Data's Day]]"). The backstory of ''[[Star Trek: Picard]]'' reveals that Maddox attempted to reconstruct Data's positronic brain, resulting in the creation of Dahj and Soji. Following the attack on Mars and subsequent banning of synthetics, Maddox disappeared, and by the time of the series his whereabouts are still unknown, until Raffi Musiker tracks him to a place called Freecloud. Once Maddox is retrieved, he tells Picard that he sent Dahj and Soji to find the true reason behind the ban on synthetics and is subsequently murdered by his own colleague, Dr. Agnes Jurati, who had overheard his conversation with Picard. |- | {{Visible anchor|Madred}} | [[David Warner (actor)|David Warner]] | [[Chain of Command (Star Trek: The Next Generation)|Chain of Command]] (TNG) | [[Cardassian]] gul and torturer of a captured Captain [[Jean-Luc Picard]] |- | [[Mallora]] | [[Tucker Smallwood]] | [[The Xindi]] (ENT) ''recurring thereafter'' | Black Primate representative on the [[Xindi (Star Trek)|Xindi]] Council, friend of [[Degra]]; became an ally to the humans |- | {{Visible anchor|Maltz}} | [[John Larroquette]] | [[Star Trek III: The Search for Spock|SFS]] | Klingon officer who remains aboard his [[Bird-of-Prey]] while Commander [[Kruge (Star Trek)|Kruge]] beams down to the [[Project Genesis (Star Trek)|Genesis planet]] to wrest its secrets from Admiral Kirk. Maltz beams up the rest of the former ''Enterprise''{{'}}s crew while Kirk and Kruge fight to the death. Kirk, victorious, tricks Maltz into beaming him (and Spock) aboard before the Genesis planet destroys itself. Kirk enters the Bridge and takes Maltz prisoner at phaser-point, promising to "kill" him later for not piloting the Bird-of-Prey away from Genesis. Maltz may have been Kruge's tactical officer, as he counted down the kellicams before the Bird-of-Prey came within firing range of the ''Enterprise''. |- | {{Visible anchor|Mara}} | [[Susan Howard]] | [[Day of the Dove]] (TOS) | [[Klingon]] science officer and wife of [[Kang (Star Trek)|Kang]]. She is evacuated from his wrecked ship to the ''Enterprise'' and fears for how all Klingon survivors will be treated at Federation hands. Her concerns seem to be well-founded when [[Pavel Chekov|Ensign Chekov]] takes out her bodyguard and then begins assaulting her. Kirk and Spock rescue her, and then show her firsthand evidence of the alien "entity" that has invaded the ''Enterprise'' and pitted [[Starfleet]] officers and Klingons against each other. She explains to Kirk that her people are hunters because there are poor planets in the Klingon system, and they must push outward to survive. She brokers a meeting between Kang and Kirk, which eventually leads to a truce. With "good spirits" from both parties, the alien entity flees the ''Enterprise''. |- | {{Visible anchor|Carol Marcus}} | [[Bibi Besch]] [[Alice Eve]] | [[Star Trek II: The Wrath of Khan|WOK]], [[Star Trek Into Darkness|STID]] | Daughter of Admiral Alexander Marcus, Inventor of the Genesis Device, mother of [[James T. Kirk|Kirk]]'s only known son. |- | David Marcus | [[Merritt Butrick]] | [[Star Trek II: The Wrath of Khan|WOK]], [[Star Trek III: The Search for Spock|SFS]] | Son of [[James T. Kirk]] and Carol Marcus. Worked on developing the Genesis Device. Killed by [[Klingon]]s on the Genesis planet. |- | {{Visible anchor|Angela Martine}} | [[Barbara Baldavin]] | [[Balance of Terror]], [[Shore Leave (Star Trek: The Original Series)|Shore Leave]] (TOS), [[Turnabout Intruder]] (TOS) | Martine first appears in "Balance of Terror" as a fire control specialist. Her wedding to Lieutenant Robert Tomlinson is postponed when the ''Enterprise'' receives a distress call from outposts being attacked by [[Romulan]]s. The character later appears in "Shore Leave" as part of the landing party, and the communications officer in "Turnabout Intruder". |- | {{Visible anchor | Crewman / Lt. Martinez}} | Michael Braveheart | [[The Child (Star Trek: The Next Generation)|The Child]] (TNG) ''recurring thereafter'' | Martinez was a male Human Starfleet officer medical assistant serving aboard the USS ''Enterprise''-D and later USS ''Enterprise''-E from 2365 to 2375. As his appearances continued, his rank rose from a crewman grade to lieutenant junior grade. He was a background character, appearing in a total of 84 episodes and two films, but the actor was never credited.{{citation needed|date=October 2023}} |- | [[Martok]] | [[J. G. Hertzler]] | [[The Way of the Warrior (Star Trek: Deep Space Nine)|The Way of the Warrior]] (DS9) ''recurring thereafter'' | Klingon general, commander of Klingon Defence Forces in the [[Bajoran]] sector, later supreme commander of Klingon forces, Chancellor at the end. Blood-brother of [[Worf]], husband of Sirella and father of Drex. |- | {{Visible anchor|Masaka}} | ''None'' | [[Masks (Star Trek: The Next Generation)|Masks]] (TNG) | A feminine personality and queen associated with Masaka's sun symbol and Masaka's mask. According to a legend recounted by Data as [[Ihat]], she chopped up her father and used his bones to make the world. Data assumes the personality of Masaka, puts on Masaka's mask and sits down upon the golden throne in Masaka's temple. Captain Picard poses as [[Korgano]] to confront Masaka.<ref>{{cite web |url=http://www.st-minutiae.com/resources/scripts/268.txt |title=STAR TREK: THE NEXT GENERATION "Masks"|quote=Data/Masaka reacts as Picard approaches -- he is wearing the Korgano mask. For the first time, we see a real reaction from Data/Masaka -- she's shocked at the sight.|website=Star Trek Minutiae: Exploring the Details of Science Fiction |access-date=11 February 2018}}</ref><ref name="missionlogpodcast.com"/><ref name="tor.com"/> |- | {{Visible anchor|Benjamin Maxwell}} | [[Bob Gunton]] | [[The Wounded (Star Trek: The Next Generation)|The Wounded]] (TNG) | One-time captain of [[Miles O'Brien (Star Trek)|Miles O'Brien]] aboard the USS ''Rutledge'', then captain of the USS ''Phoenix'' who attempts an un-authorized mission to expose [[Cardassian]] military activity masquerading as scientific research

In 2016, the character was ranked as the 94th most important character in service to [[Starfleet]] within the ''Star Trek'' science fiction universe by ''Wired''.<ref>{{Cite magazine|url=https://www.wired.com/2016/09/star-treks-100-crew-members-ranked/|title=Star Trek's 100 Most Important Crew Members, Ranked|last=McMillan|first=Graeme|date=2016-09-05|magazine=Wired|access-date=2019-03-20|issn=1059-1028}}</ref> |- | [[Joseph M'Benga]] | [[Booker Bradshaw]] (TOS) [[Babs Olusanmokun]] (SNW) | [[A Private Little War]], [[That Which Survives]] (TOS) [[Star Trek: Strange New Worlds|SNW]] | A doctor aboard the USS ''Enterprise''. The character interned on Vulcan, and is skilled at treating Vulcans. |- | [[Leonard McCoy]] | [[DeForest Kelley]] [[Karl Urban]] | [[Star Trek: The Original Series|TOS]], [[Star Trek: The Animated Series|TAS]], [[Star Trek: The Motion Picture|TMP]], [[Star Trek II: The Wrath of Khan|WOK]], [[Star Trek III: The Search for Spock|SFS]], [[Star Trek IV: The Voyage Home|TVH]], [[Star Trek V: The Final Frontier|TFF]], [[Star Trek VI: The Undiscovered Country|TUC]], [[Encounter at Farpoint]] (TNG), [[Star Trek (2009 film)|ST09]], [[Star Trek Into Darkness|STID]], [[Star Trek Beyond|STB]] | Chief Medical Officer of the USS ''Enterprise'' and ''Enterprise-A'' under Captain Kirk. |- | [[Mila (Star Trek)|Mila]] | [[Julianna McCarthy]] | [[Improbable Cause]], [[The Dogs of War (Star Trek: Deep Space Nine)|The Dogs of War]], [[What You Leave Behind]] (DS9) | [[Enabran Tain]]'s housekeeper and confidant for several decades. Later helps Damar and his resistance cell to hide. |- | {{Visible anchor|Minuet}} | [[Carolyn McCormick]] | [[11001001]], [[Future Imperfect]] (TNG) | [[William Riker|Riker]]'s holodeck fantasy woman, created by the Bynars and reproduced by Barash |- | {{Visible anchor|Gary Mitchell}} | [[Gary Lockwood]] | [[Where No Man Has Gone Before]] (TOS) | [[Starfleet]] [[lieutenant commander]] and ship's navigator. He and [[James T. Kirk]] have been friends since he joined the service, and Kirk asked for Mitchell aboard his first command. At [[Starfleet Academy]], he remembers "[[Lieutenant]]" Kirk as being "a stack of books with legs," and that "in his class, you either think or sink." Mitchell also "aimed a little blonde lab technician" at Kirk, who almost married her. Later, on the planet Dimorus, Mitchell almost died from a poisoned dart thrown by "rodent things" who were aiming for Kirk. In 2265 aboard the ''Enterprise'', Mitchell is "zapped" by the Galactic Barrier, which turns his eyes glowing silver and grants him enhanced ESP powers. As he grows stronger, he becomes a danger to the ship and crew, so Kirk is forced to maroon him on the planet Delta Vega. Mitchell doesn't go quietly, however, and Kirk is forced to kill him on the planet's surface. |- | {{Visible anchor|Mogh}} | ''None'' | [[Sins of the Father (Star Trek: The Next Generation)|Sins of the Father]] (TNG) | Father of [[Worf]] and Kurn. Accused by Duras of betraying the Klingon colony on Khitomer to the [[Romulan]]s, when the betrayal was committed by Duras' father, Ja'rod. Worf nevertheless accepted discommendation for his father's "crime" to prevent a Klingon civil war. |- | [[Mora Pol]] | [[James Sloyan]] | [[The Begotten]] (DS9), [[The Alternate (Star Trek: Deep Space Nine)|The Alternate]] (DS9) | Doctor at the Bajoran Center for Science, who was assigned to study the [[Dominion (Star Trek)|Changeling]] who would become known as [[Odo (Star Trek)|Odo]]. As such, later functions as an expert on Changelings during the Dominion War. |- | [[Professor Moriarty|James Moriarty]] | [[Daniel Davis (actor)|Daniel Davis]] | [[Elementary, Dear Data]], [[Ship in a Bottle (Star Trek: The Next Generation)|Ship in a Bottle]] (TNG), The Bounty (PIC) | Character created by [[Arthur Conan Doyle]], becomes sentient in the holodeck. Later appears as a holographic security projection created by the combined [[Data (Star Trek)|Data]]/Lore android on Daystrom Station. |- | [[Morn (Star Trek)|Morn]] | [[Mark Allen Shepherd]] | [[Emissary (Star Trek: Deep Space Nine)|Emissary]] (DS9) ''recurring thereafter'', [[Birthright (Star Trek: The Next Generation)|Birthright, Part 1]] (TNG), [[Caretaker (Star Trek: Voyager)|Caretaker, Part 1]] (VOY) | Regular at [[Quark (Star Trek)|Quark]]'s bar, known around the station for talking people's ears off, but never seen or heard talking on screen. |- | {{Visible anchor|Morrow}} | [[Robert Hooks]] | [[Star Trek III: The Search for Spock|SFS]] | [[Starfleet]] admiral who was designated the "Starfleet Commander" in 2285. He boarded the ''Enterprise'' for inspection on her return to Spacedock. He awarded Starfleet's highest commendations to the entire crew for their extraordinary service during the battle with [[Khan Noonien Singh|Khan]]. He also promoted [[Montgomery Scott|Scotty]] to "captain of engineering" and reassigned him to the USS ''Excelsior'' NX-2000. In addition, he announced that the ''Enterprise'' would be decommissioned, thereby denying Kirk the opportunity to take her back to the [[Project Genesis (Star Trek)|Genesis planet]]. Later, when Kirk pressed the issue and explained that Spock's ''[[Katra (Star Trek)|katra]]'' must be reunited with his body, Morrow cautioned him against "intellectual chaos" and implored him to remain rational, lest he lose everything and destroy himself. ('''Noncanon:''' In the movie novelization, Morrow's first name is "Harry".) |- | {{anchor|Harry Mudd}} Harcourt Fenton ("Harry") Mudd | [[Roger C. Carmel]], [[Rainn Wilson]] | [[Mudd's Women]], [[I, Mudd]] (TOS), [[Mudd's Passion]] (TAS), [[Choose Your Pain]], [[Magic to Make the Sanest Man Go Mad]] (DSC), [[Star Trek: Short Treks#Season 1 (2018–19)|The Escape Artist]] (SHO) | Convicted confidence trickster, thief, counterfeiter and smuggler, first picked up by the ''Enterprise'' while trafficking the equivalent of [[mail-order bride]]s, "ordinary" women allegedly made beautiful and alluring by a mythical "Venus drug". Later encountered as the prisoner/“ruler” of a race of androids who use him to learn about Human weaknesses. |}

==See also== * [[List of Star Trek characters (A–F)|List of ''Star Trek'' characters A–F]]{{*}} [[List of Star Trek characters (N–S)|N–S]]{{*}} [[List of Star Trek characters (T–Z)|T–Z]] * [[List of recurring Star Trek: Deep Space Nine characters|List of recurring ''Star Trek: Deep Space Nine'' characters]]{{*}} [[List of minor recurring characters in Star Trek: Enterprise|''Enterprise'']]{{*}} [[List of Star Trek: The Next Generation characters|''The Next Generation'']]{{*}} [[List of Star Trek characters|''The Original Series'']]{{*}} [[List of minor recurring characters in Star Trek: Voyager|''Voyager'']] * [[List of Star Trek episodes|List of ''Star Trek'' episodes]]

==References== {{Reflist}}

{{DEFAULTSORT:List Of Star Trek Characters (G-M)}} [[Category:Lists of Star Trek characters|G-M]]

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