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)
Al Molinaro Al Delvecchio Al Delvecchio See fewer	The Odd Couple (1970)
Larry Golden Butch Butch See fewer	Wanda Nevada (1979)
Gary Springer Bernie Bernie See fewer	Jaws 2 (1978)
Lynn Benisch Miss Franklin (as Lynn Benesch) Miss Franklin (as Lynn Benesch) See fewer	Planet of the Apes (1974)
Bill Idelson Doctor Doctor See fewer	Get Smart (1965)
Michele Nichols Laura Laura See fewer	The Incredible Hulk (1977)
Debbie Chaffin Fonzie's Girl in Yellow Scarf (uncredited) Fonzie's Girl in Yellow Scarf (uncredited) See fewer	Barnaby Jones (1973)
Hillary Horan Birdhouse Girl in Green (uncredited) Birdhouse Girl in Green (uncredited) See fewer	Young Doctors in Love (1982)
Kit McDonough Blonde in Yellow Jacket (uncredited) Blonde in Yellow Jacket (uncredited) See fewer	Homeward Bound: The Incredible Journey (1993)
Heather Warren Fonzie's Girl in Blue (uncredited) Fonzie's Girl in Blue (uncredited) See fewer	Happy Days (1974)