{{short description|American actress (born 1938)}} {{BLP sources|date=July 2016}} {{Use American English|date=April 2026}} {{Use mdy dates|date=December 2017}} {{Infobox person | image = <!-- insert image here --> | image_size = | caption = <!-- image caption --> | birth_name = {{birth date and age|1938|01|02}} | birth_place = | occupation = Producer, actress | years_active = 1974–present | spouse = Larry Hallin (divorced) | parents = Anthony W. Marshall (father) | relatives = {{ubl|Garry Marshall&nbsp;(brother)|Penny Marshall&nbsp;(sister)|Tracy Reiner (niece)|Scott Marshall (nephew)}} Rob Reiner (ex-brother-in-law) | children = 3 }}

'''Ronny Hallin''' (born January 2, 1938)<ref>{{Cite web|url=https://www.ibdb.com/broadway-cast-staff/ronny-hallin-508431|title=Ronny Hallin|work=Internet Broadway Database|access-date=January 12, 2025}}</ref> is an American television producer and actress. She is best known for her work on the television shows ''Happy Days'', ''Mork & Mindy'', and ''Step by Step''.

==Early life== She is the older sister of actress Penny Marshall, and the younger sister of filmmaker Garry Marshall.<ref name="Dagan2016">{{cite web|url=https://www.superiortelegram.com/entertainment/television/4078410-garry-marshall-pretty-woman-director-and-creator-happy-days-dies-81|title=Garry Marshall, 'Pretty Woman' director and creator of 'Happy Days', dies at 81|last=Dagan|first=Carmel|date=July 21, 2016|website=Superior Telegram|access-date=February 16, 2024}}</ref>

==Filmography== ===Television=== ====As producer==== *''Blansky's Beauties'' (1976–1979) *''Happy Days'' (1977–1984) *''Mork & Mindy'' (1978–1982) *''Laverne & Shirley'' (1979) *''Joanie Loves Chachi'' (1981–1983) *''You Again?'' (1985–1987) *''Valerie'' (1985–1991) *''Nothing in Common'' (1986–1987) *''Family Matters'' (1989–1990) *''Perfect Strangers'' (1989–1992) *''Going Places'' (1990–1991) *''Step by Step'' (1991–1992)

====As actress==== *''The Odd Couple'' (1974) *''Laverne & Shirley'' (1982)

===Film===

====As actress==== *''Herndon'' (1982) <ref name="tcmdb/468148">{{cite web |title=Herndon and Me |url=https://www.tcm.com/tcmdb/title/468148/herndon-and-me |archive-url=https://web.archive.org/web/20210413094431/https://www.tcm.com/tcmdb/title/468148/herndon-and-me |url-status=dead |archive-date=April 13, 2021 |website=tcmdb |publisher=tcm.com |access-date=16 October 2025 |language=en}}</ref> *''Frankie and Johnny'' (1991) *''Exit to Eden'' (1994) *''Raising Helen'' (2004)

==References== {{Reflist}}

==External links== *{{IMDb name|0003411}}

{{Authority control}}

{{DEFAULTSORT:Hallin, Ronny}} Category:1938 births Category:Living people Category:American television producers Category:American television actresses Category:21st-century American women Category:Marshall family (show business)

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