Debi Derryberry

Jimmy Neutron (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Rob Paulsen

Carl Wheezer (voice)

Mark DeCarlo

Hugh Neutron (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Frank Welker

Goddard (voice)

Crystal Scales

Libby Fallfax (voice)

Megan Cavanagh

Judy Neutron (voice)

Charlie Adler

Junkman (voice)