Jimmy Neutron: Boy Genius

Debi Derryberry James 'Jimmy' Isaac Neutron (voice) Megan Cavanagh Judy Neutron / VOX (voice) Mark DeCarlo Hugh Neutron / Pilot / Arena Guard (voice) Jeffrey Garcia Sheen Estevez (voice) Patrick Stewart King Goobot V (voice) Martin Short Ooblar (voice) Frank Welker Goddard / Poultra (voice) Rob Paulsen Carl Wheezer / Mr. and Mrs. Wheezer / Kid in Classroom (voice) Carolyn Lawrence Cindy Vortex (voice) Crystal Scales Libby Folfax (voice) Candi Milo Nick Dean / Britney / PJ (voice) David L. Lander Yokian Guard / Gus (voice) Carlos Alazraqui Mr. Estevez (voice) Jim Cummings Ultra Lord / Mission Control / General Bob (voice) Keith Alcorn Bobby / Kid / Control Yokian (voice) Kimberly Brooks Zachary / Reporter / Angie / Libby's Mom (voice) Andrea Martin Ms. Winfred Fowl (voice) Billy West Bobby's Twin Brother (voice) / Butch (voice) / Jailbreak Cop (voice) / Old Man Johnson (voice) / Robobarber (voice) / Flurp Announcer (voice) / Yokian Officer (voice) / Anchor Boy (voice) / Guard (voice) Mary Hart Yokian Newscaster #2 (voice) Bob Goen Yokian Newscaster #1 (voice) Dee Bradley Baker Norad Officer (voice) Laraine Newman Hostess (voice) John A. Davis Octapuke Kid / Guard / Bennie (voice) Paul Greenberg Guard (voice) Mark Menza Yokian Incubator Operator (voice) Jeannie Elias Little Girl / Camera Person (voice) Michael Hagiwara Chris (voice) Richard Allen Digital Voice (voice) Brian Capshaw Screamer (voice) Cheryl Ray Screamer (voice) Matthew Russell Hyperactive Kid / Arena Yokian (voice)