Jimmy Neutron: Win, Lose and Kaboom!

Brain #2 / Mayor Quadar (voice)

Goddard (voice)

Vendanna (voice)

April (voice)

Meldar Prime (voice)

Gorlock #2 / Brain #1 (voice)

Sr. Estevez (voice)

Bolbi Stroganofsky / British Tourist (voice)

Sheen Estevez / Army Guard (voice)

Sam / Corky Shumatsu (voice)