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)
Alberto Ghisi
Timmy (voice)