Name	Known for
Julia Duffy Maggie Campbell Maggie Campbell See fewer	Newhart (1982)
William Hickey Cecil Fogarty Cecil Fogarty See fewer	National Lampoon's Christmas Vacation (1989)
Lenny Wolpe Howard Howard See fewer	After Forever (2018)
Tom Alan Robbins Dr. Elliot Fleisher Dr. Elliot Fleisher See fewer	Five Questions (2023)
Tony Danza Mickey Campbell (voice) Mickey Campbell (voice) See fewer	Don Jon (2013)
Ryan Jessup Mickey Campbell Mickey Campbell See fewer	Baby Talk (1991)
Paul Jessup Mickey Campbell Mickey Campbell See fewer	Baby Talk (1991)
Paula Kelly Claire Claire See fewer	The Andromeda Strain (1971)
Jackie Swanson Stella Stella See fewer	Cheers (1982)
Sue Giosa Regina Regina See fewer	Tell Me I Love You (2019)
Stephen Tobolowsky Dr. Ezra Farr Dr. Ezra Farr See fewer	Groundhog Day (1993)
Paul Sand Paul Paul See fewer	Eerie, Indiana (1991)
Perry Anzilotti Baby Stan (voice) Baby Stan (voice) See fewer	Gang Related (1997)
John Bowman Baby Zach (voice) Baby Zach (voice) See fewer	Martin (1992)
Dinah Lenney Baby Lisa (voice) Baby Lisa (voice) See fewer	ER (1994)
Richard McGregor Baby Luther (voice) Baby Luther (voice) See fewer	Stir of Echoes (1999)
Jeanine Jackson Baby Sophie (voice) Baby Sophie (voice) See fewer	Somebody I Used to Know (2023)
Rodney Kageyama Baby Robert (voice) Baby Robert (voice) See fewer	Pretty Woman (1990)
Jim Pirri Baby Ernest (voice) Baby Ernest (voice) See fewer	Penguins of Madagascar (2014)
Terry Bolo Dr. Farr's Assistant Dr. Farr's Assistant See fewer	The In-Laws (1979)
Ann Wilkinson Elizabeth Elizabeth See fewer	Santa Barbara (1984)
Seth Kinast Seth Kinast Seth Kinast See fewer	Baby Talk (1991)
Jacquelyn Umof Violinist (as Jacquelyn Umoff) Violinist (as Jacquelyn Umoff) See fewer	A Big Love Story (2012)