Series Cast 26

1. 

   Richard Steven Horvitz

   Zim (voice) (46 Episodes)

2. 

   Andy Berman

   Dib (voice) (46 Episodes)

3. 

   Rosearik Rikki Simons

   GIR (voice) (46 Episodes)

4. 

   Melissa Fahn

   Gaz (voice) (46 Episodes)

5. 

   Lucille Bliss

   Ms. Bitters (voice) (46 Episodes)

6. 

   Rodger Bumpass

   Professor Membrane (voice) (46 Episodes)

7. 

   Kevin McDonald

   Almighty Tallest Purple (voice) (46 Episodes)

8. 

   Wally Wingert

   — (7 Episodes), Red / SIR (voice) (1 Episode)

9. 

   Mo Collins

   — (3 Episodes), RoboMom / Zita (voice) (1 Episode)

10. 

    Danny Cooksey

    — (3 Episodes)

11. 

    Olivia d'Abo

    — (3 Episodes)

12. 

    Candi Milo

    Girl (voice) (1 Episode), Mrs. Buggy / Giganto Baby (voice) (1 Episode), Clara / Woman in Crowd (voice) (1 Episode)

13. 

    Jhonen Vasquez

    Computer Voice / Old Kid / Brian (voice) (1 Episode), Minimoose / Computer / Precocious Kid / Kid in Crowd (voice) (1 Episode)

14. 

    R. Lee Ermey

    — (1 Episode)

15. 

    Eliza Schneider

    — (1 Episode)

16. S. Scott Bullock

    — (1 Episode)

17. 

    Sherman Howard

    Oog-Oh (voice) (1 Episode)

18. 

    Dwight Schultz

    — (1 Episode)

19. 

    Greg Ellis

    — (1 Episode)

20. 

    Philece Sampler

    Scientist #4 / Germ Woman / Tiny Germ Voice (voice) (1 Episode)

21. 

    Dee Bradley Baker

    Santa Gerg / Guy in Crowd #1 / Cutest Little Kid (voice) (1 Episode)

22. 

    Kathryn Fiore

    Kid / Santa Fan #2 / Little Girl (voice) (1 Episode)

23. 

    Jeffrey Jones

    Presidentman / Crowd Man / Guy in Crowd #2 (voice) (1 Episode)

24. 

    Brad Abrell

    Announcer (voice) (1 Episode)

25. 

    Phil LaMarr

    The Letter M (voice) (1 Episode)

26. 

    Michael McDonald

    RoboDad / Crewman (voice) (1 Episode)

Series Crew 24