Jimmy Neutron (voice)

Timmy Turner (voice)

Judy Neutron (voice)

Hugh Neutron (voice)

Carl Wheezer / Announcer (voice)

Sheen Estevez (voice)

Cindy Vortex (voice)

Libby Folfax (voice)

Goddard (voice)

Wanda (voice)

Cosmo / Dad / Jorgen Von Strangle (voice)

Vicky / Principal Waxelplax (voice)

Denzel Crocker (voice)

Sanjay / Elmer / Fairy Agent #1 (voice)

A.J. (voice)

Francis (voice)

Tour Guide (voice)

Chester McBadbat (voice)