Name	Known for
Scott Baio Chachi Arcola Chachi Arcola See fewer	Superbabies: Baby Geniuses 2 (2004)
Erin Moran Joanie Cunningham Joanie Cunningham See fewer	Joanie Loves Chachi (1982)
Al Molinaro Al Delvecchio Al Delvecchio See fewer	The Odd Couple (1970)
Derrel Maury Mario Mastorelli Mario Mastorelli See fewer	Shadow of the Monarch (2017)
Art Metrano Uncle Rico Mastorelli Uncle Rico Mastorelli See fewer	Police Academy 3: Back in Training (1986)
Ellen Travolta Louisa Arcola Delvecchio Louisa Arcola Delvecchio See fewer	Grease (1978)
Winifred Freedman Annette Mastorelli Annette Mastorelli See fewer	Evolution (2001)
Robert Pierce Bingo (as Robert Peirce) Bingo (as Robert Peirce) See fewer	Suburbicon (2017)
Curt Ayers Mr. Cassidy Mr. Cassidy See fewer	King of the Mountain (1981)
Joy Claussen Nurse Benson Nurse Benson See fewer	The Bonfire of the Vanities (1990)
Hillary Horan Janice Janice See fewer	Young Doctors in Love (1982)
Rob Monroe Man Man See fewer	Fear Effect (2000)
Mitch Weissman Marvin O. Pizika Marvin O. Pizika See fewer	Beatlemania (1981)