Name	Known for
Henry Winkler Arthur 'Fonzie' Fonzarelli Arthur 'Fonzie' Fonzarelli See fewer	The Waterboy (1998)
Marion Ross Marion Cunningham Marion Cunningham See fewer	Superhero Movie (2008)
Anson Williams Potsie Weber Potsie Weber See fewer	Happy Days (1974)
Erin Moran Joanie Cunningham Joanie Cunningham See fewer	Joanie Loves Chachi (1982)
Al Molinaro Al Delvecchio Al Delvecchio See fewer	The Odd Couple (1970)
Scott Baio Chachi Arcola Chachi Arcola See fewer	Happy Days (1974)
Lynda Goodfriend Lori Beth Allen Lori Beth Allen See fewer	Pretty Woman (1990)
Tom Bosley Howard Cunningham Howard Cunningham See fewer	Happy Days (1974)
Rebecca Holden Lola Lola See fewer	Knight Rider (1982)
Poppy Lagos Teresa Teresa See fewer	I Wanna Hold Your Hand (1978)
Nancy Marvy Rosa Coletti Rosa Coletti See fewer	Untamed Heart (1993)
Ted McGinley Roger Phillips Roger Phillips See fewer	Revenge of the Nerds (1984)
David Paymer Dwayne Dwayne See fewer	Get Shorty (1995)
Cathy Silvers Jenny Piccalo Jenny Piccalo See fewer	Happy Days (1974)
Bill Baker Patron at Arnold's (uncredited) Patron at Arnold's (uncredited) See fewer