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![](https://image.tmdb.org/t/p/w92/tDKn6gAgvARdQRfuem2JwyNcP3B.jpg)
Ron Howard
Richie Cunningham (24 eps)
![](https://image.tmdb.org/t/p/w92/c35LVOjB1gbY5iYzhN9PGIXUHWt.jpg)
Henry Winkler
Arthur Fonzarelli (24 eps)
![](https://image.tmdb.org/t/p/w92/n7UmaqDsA4MojlCePBfjNdmifbl.jpg)
Tom Bosley
Howard Cunningham (24 eps)
![](https://image.tmdb.org/t/p/w92/eZpOYvFoJnej8n7aKSi2LVvvlQu.jpg)
Marion Ross
Marion Cunningham (24 eps)
![](https://image.tmdb.org/t/p/w92/A6DzohDaYoOOgb85DRvmoBmzG4o.jpg)
Anson Williams
Potsie Weber (24 eps)
![](https://image.tmdb.org/t/p/w92/q8rXfAiEAp78rygkWk50YjWTItC.jpg)
Don Most
Ralph Malph (24 eps)
![](https://image.tmdb.org/t/p/w92/xipbY0i9JXmxXAqpoivXLijlqxH.jpg)
Erin Moran
Joanie Cunningham (24 eps)
![](https://image.tmdb.org/t/p/w92/wFiE4xU1mmQ0EWcUoFdV10ZzaR8.jpg)
Charlene Tilton
Jill Higgins (1 eps)
![](https://image.tmdb.org/t/p/w92/dwnjbEvhKRanS5xTaI1NkZ98aM9.jpg)
Pat Morita
Arnold (1 eps)
![](https://image.tmdb.org/t/p/w92/eEgTNrAVYTPvTqBVOlFfexI8yM3.jpg)
Brian Byers
Biff (1 eps)
![](https://image.tmdb.org/t/p/w92/gqsjkMW6ew1fUwE8dq5emaeiaBL.jpg)
Betty Kean
Millie (1 eps)