Debi Derryberry
James 'Jimmy' Isaac Neutron (voice)
Jimmy Neutron: O Menino Gênio
Jimmy Neutron é um garoto muito inteligente, mas que possui dificuldades em se relacionar com outros jovens da sua idade. A situação muda quando todos os pais do planeta são sequestrados por alienígenas, fazendo com que Jimmy tenha que liderar as crianças para que elas consigam recuperar seus pais.
Elenco
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)
