Character Name : Jimmy Neutron (voice)

Original Name : Debi Derryberry

Gender : Female

Character Name : Timmy / School Girl (voice)

Original Name : Tara Strong

Gender : Female

Character Name : Carl / Anti-Fairy Walla (voice)

Original Name : Rob Paulsen

Gender : Male

Character Name : Sheen / Anti-Fairy Walla (voice)

Original Name : Jeffrey Garcia

Gender : Male

Character Name : Cindy Vortex (voice)

Original Name : Carolyn Lawrence

Gender : Female

Character Name : Libby Folfax (voice)

Original Name : Crystal Scales

Gender : Female

Character Name : Goddard (voice)

Original Name : Frank Welker

Gender : Male

Character Name : Wanda / Mom / Anti-Wanda / Anti-Fairy #1 (voice)

Original Name : Susanne Blakeslee

Gender : Female

Character Name : Cosmo / Dad / Jorgen Von Strangle / Anti-Cosmo (voice)

Original Name : Daran Norris

Gender : Male

Character Name : Mr. Crocker (voice)

Original Name : Carlos Alazraqui

Gender : Male

Character Name : Binky (voice)

Original Name : Dee Bradley Baker

Gender : Male

Character Name : A.J. (voice)

Original Name : Gary LeRoi Gray

Gender : Male

Character Name : Chet Ubetcha / Anti-Fairy #2 (voice)

Original Name : Jim Ward

Gender : Male

Character Name : Dr. Moist (voice)

Original Name : Jeff Bennett

Gender : Male

Character Name : Morgan Freeman / Anti-Fairy Walla (voice)

Original Name : Kevin Michael Richardson

Gender : Male

Character Name : Professor Finbarr Calamitous (voice)

Original Name : Tim Curry

Gender : Male

Character Name : Chip Skylark (voice) (archive sound) (uncredited)

Original Name : Chris Kirkpatrick

Gender : Male

Character Name : Vicky (voice)

Original Name : Grey DeLisle

Gender : Female