Jimmy Neutron: Attack of the Twonkies

Debi Derryberry

Jimmy Neutron (voice)

Mark DeCarlo

Hugh Neutron (voice)

Megan Cavanagh

Judy / Vox 2000 (voice)

Rob Paulsen

Carl / Mr. Wheezer / Butch (voice)

Jeffrey Garcia

Sheen (voice) (as Jeff Garcia)