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| Cast | + Add Cast | 
| 9 cast members | 
| Name | Known for | 
|---|---|
| Ron Howard
 
Richie Cunningham
 | |
| Henry Winkler
 
Arthur 'Fonzie' Fonzarelli
 | |
| Marion Ross
 
Marion Cunningham
 | |
| Anson Williams
 
Potsie Weber
 | |
| Don Most
 
Ralph Malph (as Donny Most)
 | |
| Erin Moran
 
Joanie Cunningham
 | |
| Al Molinaro
 
Al Delvecchio
 | |
| Tom Bosley
 
Howard Cunningham
 | |
| Tom E. Knife Chief
 
Native American Sign Language Character (uncredited)
 |