S3E2 · Les N-Men

Debi Derryberry

Jimmy Neutron (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Rob Paulsen

Carl Wheezer (voice)

Billy West

Sam Melnick / Pilot (voice)

Andrea Martin

Ms. Fowl (voice)

Megan Cavanagh

Judy Neutron / Mrs. Vortex (voice)

Mark DeCarlo

Hugh Neutron / General / Alien Man / Emergency System / Gleason Like Creature (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Crystal Scales

Libby Folfax (voice)

Frank Welker

Goddard / Special Vocal Effects (voice)