as President Skroob / Yogurt
as Moses / Comicus / Torquemada / Jacques / King Louis XVI
as Self
as Checkout Guest (uncredited)
as Mr. Welling
as Mel Funn
as Professor Max Krassman
as Governor William J. Le Petomane / Indian Chief
as Goddard Bolt
as Dr. Frederick Bronski
as Rabbi Tuckman
as Tikon
as Prof. Abraham Van Helsing
as Dr. Richard H. Thorndyke
as Bigweld (voice)