Jimmy Neutron (voice)
Debi Derryberry
Timmy Turner (voice)
Tara Strong
Cosmo / Dad / Jorgen Von Strangle (voice)
Daran Norris
Vicky / Principal Waxelplax (voice)
Grey DeLisle
Denzel Crocker (voice)
Carlos Alazraqui
Sanjay / Elmer / Fairy Agent #1 (voice)
Dee Bradley Baker
A.J. (voice)
Gary LeRoi Gray
Francis (voice)
Faith Abrahams
Tour Guide (voice)
Jim Ward
Chester McBadbat (voice)
Jason Marsden
Judy Neutron (voice)
Megan Cavanagh
Hugh Neutron (voice)
Mark DeCarlo
Carl Wheezer / Announcer (voice)
Rob Paulsen
Sheen Estevez (voice)
Jeffrey Garcia
Cindy Vortex (voice)
Carolyn Lawrence
Libby Folfax (voice)
Crystal Scales
Goddard (voice)
Frank Welker
Wanda (voice)
Susanne Blakeslee
Original Concept
Butch Hartman
Writer
Director
Producer
Steve Marmel
Bob Boyle
John A. Davis
Executive Producer
Fred Seibert
Steve Oedekerk
Music
Guy Moon
Charlie Brissette
Supervising Animator
Tom Grevera
Editor
Joe E. Elwood
Paul Marshal
Storyboard
John R. Carlson
Story
Rico Hill
Gene Grillo
Keith Alcorn
Co-Executive Producer
Jed Spingarn