Series Cast 33

1. 

   Henry Winkler

   Arthur Fonzarelli (22 Episodes)

2. 

   Tom Bosley

   Howard Cunningham (22 Episodes)

3. 

   Marion Ross

   Marion Cunningham (22 Episodes)

4. 

   Anson Williams

   Potsie Weber (22 Episodes)

5. 

   Scott Baio

   Chachi Arcola (22 Episodes)

6. 

   Erin Moran

   Joanie Cunningham (22 Episodes)

7. 

   Al Molinaro

   Al Delvecchio (22 Episodes)

8. 

   Lynda Goodfriend

   Lori Beth Allen (22 Episodes)

9. 

   Cathy Silvers

   — (17 Episodes)

10. Teddi Siddall

    — (3 Episodes)

11. 

    Marla Pennington

    — (2 Episodes)

12. 

    Kevin Rodney Sullivan

    Tommy (2 Episodes)

13. 

    Heidi Bohay

    — (2 Episodes)

14. 

    Alice Nunn

    — (2 Episodes)

15. 

    Ellen Travolta

    — (2 Episodes)

16. 

    David Ketchum

    — (1 Episode)

17. 

    Crystal Bernard

    K.C. Cunningham (1 Episode)

18. 

    Ralph Wilcox

    — (1 Episode)

19. 

    John Hart

    — (1 Episode)

20. 

    Dana Kimmell

    — (1 Episode)

21. 

    Frances Bay

    — (1 Episode)

22. 

    Gary Grubbs

    — (1 Episode)

23. 

    Phil Silvers

    — (1 Episode)

24. Elizabeth Keifer

    — (1 Episode)

25. 

    M.C. Gainey

    — (1 Episode)

26. 

    Pat O’Brien

    — (1 Episode)

27. 

    Danny Wells

    — (1 Episode)

28. Al Fann

    — (1 Episode)

29. 

    Tracie Savage

    — (1 Episode)

30. 

    Billy Warlock

    Flip Phillips (1 Episode)

31. 

    Ed Peck

    — (1 Episode)

32. Michael Byers

    Walter Melman (1 Episode)

33. Lynn Hallowell

    Patti Downes (1 Episode)

Series Crew 11