Jimmy Neutron: Boy Genius

Jimmy Neutron: Boy Genius Cast

31 cast members · 22 with popularity data

Full Cast

Sorted by Buzz Score · June 29, 2026

Patrick Stewart

King Goobot V (voice)

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)

Hostess (voice)

Goddard / Poultra (voice)

Ms. Winfred Fowl (voice)

Dee Bradley Baker

Norad Officer (voice)

Ultra Lord / Mission Control / General Bob (voice)

Carl Wheezer / Mr. and Mrs. Wheezer / Kid in Classroom (voice)

David L. Lander

Yokian Guard / Gus (voice)

#11,350 overall

Carlos Alazraqui

Mr. Estevez (voice)

#11,961 overall

Debi Derryberry

James 'Jimmy' Isaac Neutron (voice)

#14,311 overall

Carolyn Lawrence

Cindy Vortex (voice)

#16,052 overall

Sheen Estevez (voice)

#16,104 overall

Kimberly Brooks

Zachary / Reporter / Angie / Libby's Mom (voice)

#16,326 overall

Nick Dean / Britney / PJ (voice)

#17,097 overall

Yokian Newscaster #2 (voice)

#17,594 overall

Judy Neutron / VOX (voice)

#20,986 overall

Hugh Neutron / Pilot / Arena Guard (voice)

#34,037 overall

Octapuke Kid / Guard / Bennie (voice)

#35,619 overall

Yokian Newscaster #1 (voice)

#39,695 overall

#45,402 overall

Libby Folfax (voice)

Bobby / Kid / Control Yokian (voice)

Yokian Incubator Operator (voice)

Little Girl / Camera Person (voice)

Michael Hagiwara

Digital Voice (voice)

Screamer (voice)

Screamer (voice)

Matthew Russell

Hyperactive Kid / Arena Yokian (voice)

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