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