Maurice LaMarche

Inspector Gadget (voice)

Jim Byrnes

Chief Quimby (voice)

Brian Drummond

Dr. Claw (voice)

Bernie Mac

Gadget Mobile (voice)

Tegan Moss

Penny (voice)

Lee Tockar

Brain / Mad Cat (voice)

Richard Newman

Mayor Morty Markham (voice)

Sam Vincent

Loony Purkle (voice)

Brent Miller

Giant Lizard (voice)