| Actor | Ron Howard (as Richie Cunningham), Tom Bosley (as Howard Cunningham), Henry Winkler (as Arthur "Fonzie" Fonzarelli), Anson Williams (as Warren "Potsie" Weber), Don Most (as Ralph Malph (credited as Donny Most)), Pat Morita (as Mitsumo "Arnold" Takahashi), Al Molinaro (as Al Delvecchio), Scott Baio (as Charles "Chachi" Arcola), Ted McGinley (as Roger Phillips), Billy Warlock (as Leopold "Flip" Phillips) |
| Actress | Marion Ross (as Marion Cunningham), Erin Moran (as Joanie Cunningham), Lynda Goodfriend (as Lori Beth Cunningham), Cathy Silvers (as Jenny Piccalo), Linda Purl (as Ashley Pfister), Heather O'Rourke (as Heather Pfister), Crystal Bernard (as K.C. Cunningham) |
| Broadcaster | American Broadcasting Company (ABC) |
| Creator | Garry Marshall |
| Production Company | Paramount Television |
| Production Company (1974–1981) | Miller-Milkis Productions |
| Production Company (1978–1984) | Henderson Productions |
| Production Company (1981–1984) | Miller-Milkis-Boyett Productions |
| Links | https://en.wikipedia.org/wiki/Happy_Days · https://www.imdb.com/title/tt0070992/ |
