Debi Derryberry
James Isaac 'Jimmy' Neutron / Nissa (voice)
Megan Cavanagh
Judy Neutron / Vox (voice)
Mark DeCarlo
Hugh Neutron / Yokian Waiter (voice)
Rob Paulsen
Carl Wheezer / Principal Willoughby / Butch / Yokian (voice)
Jeffrey Garcia
Sheen Estevez (voice)
