Debi Derryberry

Jimmy Neutron (voice)

Tara Strong

Timmy Turner (voice)

Jeff Garlin

Villain (voice)

Rob Paulsen

Carl / Eustace / Butler / Bucky McBadbat (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Carolyn Lawrence

Cindy Vortex / Mrs. Folfax (voice)

Crystal Scales

Libby Folfax (voice)

Mark DeCarlo

Hugh Neutron (voice)

Megan Cavanagh

Judy Neutron (voice)

Jason Marsden

Chester McBadbat (voice)

Gary LeRoi Gray

A.J. (voice)

Susanne Blakeslee

Wanda / Mom (voice)

Daran Norris

Cosmo / Dad (voice)

Carlos Alazraqui

Mr. Crocker (voice)

Billy West

Blix / British Official / Sam / Corky (voice)

Jay Leno

Nega-Chin (voice)

Grey DeLisle-Griffin

Vicky (voice)