Series Cast 29

1. 

   Rob Paulsen

   Carl Wheezer (voice) (21 Episodes), Mort / Evil Jimmy / Romantic Jimmy / Funny Jimmy (voice) (1 Episode), Butch / Elf (voice) (1 Episode), First Guard (voice) (1 Episode), Cowboy (voice) (1 Episode), Principal Willoughby / Skeet (voice) (1 Episode), Butch (voice) (1 Episode), Waiter (voice) (1 Episode), Carl's Dad / Carl's Mom (voice) (2 Episodes), Eustace Strych (voice) (1 Episode), Principal Willoughby / Mummy #2 / Narrator / Instructor (voice) (1 Episode), Principal Willoughby (voice) (2 Episodes), Butch / Principal Willoughby (voice) (1 Episode), Principal Willoughby / Oleander (voice) (1 Episode)

2. 

   Debi Derryberry

   Mummy #1 (voice) (1 Episode), Jimmy Neutron (voice) (21 Episodes), Britney (voice) (1 Episode)

3. 

   Jeffrey Garcia

   Sheen Estevez (voice) (21 Episodes), Mummy #3 (voice) (1 Episode), Nathan (voice) (1 Episode)

4. 

   Crystal Scales

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

5. 

   Carolyn Lawrence

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

6. 

   Mark DeCarlo

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

7. 

   Frank Welker

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

8. 

   Megan Cavanagh

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

9. 

   Andrea Martin

   Ms. Fowl (voice) (12 Episodes)

10. 

    Billy West

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

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

15. 

    Jeff Bennett

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