Whoopi Goldberg

Ms. Megawatt (voice)

Tim Curry

Atom Ed, The Floating Head (voice)

David Coburn

Toolbox (voice)

Pat Fraley

Jett Headstrong (voice)

Candi Milo

Buzzsaw Girl (voice)

Brian Stokes Mitchell

Monkey Kid (voice)

Gary Owens

Announcer (voice)

Charlie Adler

Dr. Mayhem (voice)

April Winchell

Additional Voices (voice)