John Brown / Inspector Gadget
G2
Sanford Scolex / Dr. Claw
Penny
Chief Quimby
Mayor Wilson
Baxter
Mrs. Quimby
McKibble
Brick
Squint
Brain the Dog (voice)
Anchorman
Gadgetmobile (voice)
Bartender
Jungle Bob
The Ninja
Mr. Morgan
Dating Service Woman