Series Cast 29

1. 

   Debi Derryberry

   Jimmy Neutron (voice) (21 Episodes)

2. 

   Jeffrey Garcia

   Sheen Estevez (voice) (21 Episodes)

3. 

   Rob Paulsen

   Carl Wheezer (voice) (21 Episodes)

4. 

   Crystal Scales

   Libby Folfax / Ike (voice) (2 Episodes), Libby Folfax / Ozzie (voice) (1 Episode), Libby Folfax (voice) (14 Episodes)

5. 

   Carolyn Lawrence

   Cindy Vortex / Tina Sue (voice) (2 Episodes), Cindy Vortex (voice) (15 Episodes)

6. 

   Mark DeCarlo

   Hugh Neutron (voice) (13 Episodes), Hugh Neutron / Man (voice) (1 Episode), Hugh Neutron / Clerk (voice) (1 Episode), Hugh Neutron / Octopus Man (voice) (1 Episode)

7. 

   Frank Welker

   Goddard / Second Guard / Special Vocal Effects (voice) (1 Episode), Goddard / Tubbs / Father / Special Vocal Effects (voice) (1 Episode), Goddard / Mr. Strych / Special Vocal Effects (voice) (1 Episode), Special Vocal Effects (voice) (1 Episode), Goddard / Special Vocal Effects (voice) (12 Episodes)

8. 

   Megan Cavanagh

   Judy Neutron / Gretchen (voice) (1 Episode), Judy Neutron (voice) (6 Episodes), Judy Neutron / Woman (voice) (1 Episode), Judy Neutron / Mrs. Vortex (voice) (1 Episode), Judy Neutron / Masseuse / MaternoTron (voice) (1 Episode), Vox (voice) (1 Episode), Judy Neutron / Lunch Lady (voice) (1 Episode)

9. 

   Andrea Martin

   Ms. Fowl (voice) (12 Episodes)

10. 

    Billy West

    Sam Melnick / Man (voice) (1 Episode), Sam Melnick (voice) (3 Episodes), Sam Melnick / Lou / Reporter (voice) (1 Episode), Corky Shimatzu (voice) (1 Episode), Sam Melnick / Blix (voice) (1 Episode), Sam Melnick / Lance (voice) (1 Episode), Sam Melnick / Corky Shimatzu / Lars (voice) (1 Episode)

11. 

    Phil LaMarr

    Bolbi (voice) (4 Episodes)

12. 

    Candi Milo

    Nick Dean (voice) (4 Episodes)

13. 

    Jim Cummings

    Popbot / Gortox / Goddard Speaking (voice) (1 Episode), Ultra Lord (voice) (1 Episode), Captain Betty / Mayor (voice) (1 Episode)

14. 

    Grey DeLisle

    Sally (voice) (1 Episode), Mombot (voice) (1 Episode)

15. 

    Jeff Bennett

    Travoltron/Barbarino (voice) (1 Episode), Positive Jimmy / Negative Jimmy / Macho Jimmy (voice) (1 Episode)

16. 

    Ming-Na Wen

    Peggy Tsu (voice) (1 Episode)

17. 

    Mel Brooks

    Santa Claus (voice) (1 Episode)

18. 

    Phyllis Diller

    Granny Neutron (voice) (1 Episode)

19. 

    Neil Ross

    Announcer (voice) (1 Episode)

20. 

    Charlie Adler

    Junkman (voice) (1 Episode)

21. 

    Kath Soucie

    Betty Quinlan (voice) (1 Episode)

22. 

    Kevin Michael Richardson

    Tremendous Jackson (voice) (1 Episode)

23. 

    Michael Hagiwara

    Japanese Announcer (voice) (1 Episode)

24. 

    Tom Kenny

    Nanobot #2 (voice) (1 Episode)

25. Terry Wood

    Singer (voice) (1 Episode)

26. 

    Daran Norris

    Nanobot #1 (voice) (1 Episode)

27. 

    Tim Curry

    Professor Calamitous (voice) (1 Episode)

28. 

    Maurice LaMarche

    Zix / Tee / Reporter (voice) (1 Episode)

29. 

    Paul Greenberg

    Brobot (voice) (1 Episode)

Series Crew 13