Name	Known for
Ron Howard Richie Cunningham Richie Cunningham See fewer	Arrested Development (2003)
Marion Ross Marion Cunningham Marion Cunningham See fewer	Superhero Movie (2008)
Anson Williams Potsie Weber Potsie Weber See fewer	Happy Days (1974)
Henry Winkler Arthur 'Fonzie' Fonzarelli Arthur 'Fonzie' Fonzarelli See fewer	The Waterboy (1998)
Erin Moran Joanie Cunningham Joanie Cunningham See fewer	Joanie Loves Chachi (1982)
Don Most Ralph Malph (as Donny Most) Ralph Malph (as Donny Most) See fewer	Happy Days (1974)
Tom Bosley Howard Cunningham Howard Cunningham See fewer	Happy Days (1974)
Frank Ashmore Johnny (as Frank Stell) Johnny (as Frank Stell) See fewer	Airplane! (1980)
Beatrice Colen Marsha Simms Marsha Simms See fewer	Wonder Woman (1975)
James Daughton Larry Larry See fewer	National Lampoon's Animal House (1978)
Cheryl Ladd Cindy Shea Cindy Shea See fewer	Poison Ivy (1992)
Bryan O'Byrne Mr. Carlyle Mr. Carlyle See fewer	Spaceballs (1987)
Linda Purl Gloria Gloria See fewer	Mighty Joe Young (1998)
Michael Dan Wagner Student (as Michael Dennis Wagner) Student (as Michael Dennis Wagner) See fewer	Tremors (1990)
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	Casino Royale (2006)