Jimmy Neutron: Win, Lose and Kaboom!

Frank Welker

Goddard (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Crystal Scales

Libby Folfax (voice)

Tim Allen

Meldar Prime (voice)

Alyssa Milano

April (voice)

Carlos Alazraqui

Sr. Estevez (voice)

Jeff Bennett

Gorlock #2 / Brain #1 (voice)

Megan Cavanagh

Judy Neutron / Mrs. Vortex (voice)

Jim Cummings

Brain #2 / Mayor Quadar (voice)