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)