S1E3 · Le Meilleur vendeur

Debi Derryberry

Jimmy Neutron (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Rob Paulsen

Carl Wheezer (voice)

Tom Kenny

WL3000 (voice)

Megan Cavanagh

Judy Neutron / Old Lady Nusbaum (voice)

Crystal Scales

Libby Folfax / Maggie (voice)

Frank Welker

Goddard / Phantom #4 / Special Vocal Effects (voice)

Andrea Martin

Ms. Fowl (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Mark DeCarlo

Hugh Neutron (voice)