S0E2 · Ovoïde invasion

Debi Derryberry

Jimmy Neutron (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Rob Paulsen

Carl Wheezer (voice)

S. Scott Bullock

Goobot / Yokian / Man #2 / Alarm (voice)

Paul Greenberg

Ooblar / Yokian Waiter / Yokian Waiter (voice)

Megan Cavanagh

Judy Neutron / Vox (voice)

Mark DeCarlo

Hugh Neutron / Yokian Waiter #1 (voice)

Andrea Martin

Ms. Fowl (voice)

Candi Milo

Nick Dean / Woman #1 (voice)

Billy West

Sam Melnick / Benny / Man #1 (voice)

Rob Paulsen

Butch / Principal Willoughby / Yokian (voice)

Debi Derryberry

Nissa (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Crystal Scales

Libby Folfax (voice)

Frank Welker

Goddard / Special Vocal Effects (voice)