Series Cast 20

1. 

   Gabe Kaplan

   Gabe Kotter (95 Episodes)

2. 

   John Travolta

   Vinnie Barbarino (95 Episodes)

3. John Sylvester White

   — (95 Episodes)

4. Ron Palillo

   Arnold Horshack (95 Episodes)

5. Robert Hegyes

   — (95 Episodes)

6. 

   Lawrence Hilton-Jacobs

   — (95 Episodes)

7. 

   Marcia Strassman

   — (95 Episodes)

8. Stephen Shortridge

   — (95 Episodes)

9. 

   Vernee Watson-Johnson

   — (8 Episodes)

10. 

    Debralee Scott

    — (5 Episodes)

11. 

    Henry Corden

    — (1 Episode)

12. Lisa Mordente

    — (1 Episode)

13. Hope Summers

    — (1 Episode)

14. Susan Lanier

    — (1 Episode)

15. 

    James Woods

    — (1 Episode)

16. 

    John Astin

    — (1 Episode)

17. Melonie Haller

    — (1 Episode)

18. 

    Leslie Ackerman

    — (1 Episode)

19. Arnold Soboloff

    — (1 Episode)

20. 

    Christopher Stryker

    Harold “Fearless” Feldman (1 Episode)

Series Crew 28