Name	Known for
Ron Howard Richie Cunningham Richie Cunningham See fewer	Arrested Development (2003)
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)
Don Most Ralph Malph (as Donny Most) Ralph Malph (as Donny Most) See fewer	Happy Days (1974)
Erin Moran Joanie Cunningham Joanie Cunningham See fewer	Joanie Loves Chachi (1982)
Tom Bosley Howard Cunningham Howard Cunningham See fewer	Happy Days (1974)
Pat Morita Arnold Arnold See fewer	The Karate Kid (1984)
Jack Dodson Dr. Mickey Malph Dr. Mickey Malph See fewer	The Getaway (1972)
Debbie Chaffin Debbie Pederson (uncredited) Debbie Pederson (uncredited) See fewer	Barnaby Jones (1973)
Hillary Horan Brunette in Blue and White (uncredited) Brunette in Blue and White (uncredited) See fewer	Young Doctors in Love (1982)
Kit McDonough Blonde in Blue and White (uncredited) Blonde in Blue and White (uncredited) See fewer	Homeward Bound: The Incredible Journey (1993)
Lora Marie Taylor Girl in the booth at Arnold's Soda Shop (uncredited) Girl in the booth at Arnold's Soda Shop (uncredited) See fewer	X-Men: The Last Stand (2006)
Heather Warren Girl in Pink (uncredited) Girl in Pink (uncredited) See fewer	Happy Days (1974)