Richard Fraser
Geoffrey Bishop
Maris Wrixon
Pamela Bragdon
Lionel Royce
Peter Van Dorn
Al Eben
Hans Kroegert
Gordon Richards
Sir Harry Bragdon
Michael Dyne
Clive Carswell
George Lloyd
Baxter
Larry Steers
Dr. Kent
Milton Kibbee
Gunderson
Egon Brecher
Dr. Gerig
Joel Fluellen
Mumbo Jumbo
Ray Corrigan
White Pongo (uncredited)
Jack Perrin
Minor Role (uncredited)