Debi Derryberry

Jimmy Neutron (voice)

Tara Strong

Timmy / School Girl (voice)

Rob Paulsen

Carl / Anti-Fairy Walla (voice)

Jeffrey Garcia

Sheen / Anti-Fairy Walla (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Crystal Scales

Libby Folfax (voice)

Frank Welker

Goddard (voice)

Susanne Blakeslee

Wanda / Mom / Anti-Wanda / Anti-Fairy #1 (voice)

Daran Norris

Cosmo / Dad / Jorgen Von Strangle / Anti-Cosmo (voice)

Carlos Alazraqui

Mr. Crocker (voice)

Dee Bradley Baker

Binky (voice)

Gary LeRoi Gray

A.J. (voice)

Jim Ward

Chet Ubetcha / Anti-Fairy #2 (voice)

Jeff Bennett

Dr. Moist (voice)

Kevin Michael Richardson

Morgan Freeman / Anti-Fairy Walla (voice)

Tim Curry

Professor Calamitous (voice)

Grey DeLisle

Vicky (voice)