Series Cast 21

1. 

   Michael Winslow

   Plutem (voice) (66 Episodes)

2. 

   Darryl Hickman

   Kid Comet (voice) (66 Episodes)

3. 

   Frank Welker

   Cosmo / Blip (voice) (66 Episodes)

4. 

   Michael Bell

   Space Ace (voice) (66 Episodes)

5. 

   Lennie Weinrib

   Dipper (voice) (66 Episodes)

6. 

   Don Messick

   Astro / Gloop / Gleep (voice) (66 Episodes)

7. 

   Gary Owens

   Space Ghost (voice) (66 Episodes)

8. 

   B.J. Ward

   Elektra (voice) (66 Episodes)

9. 

   Alexandra Stewart

   Jan (voice) (66 Episodes)

10. 

    Virginia Gregg

    Tara (voice) (66 Episodes)

11. 

    Steve J. Spears

    Jace (voice) (66 Episodes)

12. Sparky Marcus

    Dorno (voice) (66 Episodes)

13. 

    Mike Road

    Zandor / Tundro / Zok / ... (voice) (66 Episodes)

14. Allan Lurie

    Uglor (voice) (66 Episodes)

15. 

    Casey Kasem

    Announcer (voice) (66 Episodes)

16. David Raynr

    Moleculad (voice) (66 Episodes)

17. 

    Keene Curtis

    Narrator (voice) (66 Episodes)

18. Stanley Ralph Ross

    Additional Voices (voice) (66 Episodes)

19. 

    Chuck McCann

    Additional Voices (voice) (66 Episodes)

20. 

    Richard Erdman

    Additional Voices (voice) (66 Episodes)

21. 

    John Stephenson

    Additional Voices (voice) (66 Episodes)

Series Crew 2