George Coulouris
Dr. James Moran
Peter Forbes-Robertson
Jack Venner (as Peter Wayn)
Joyce Gregg
Mrs. Margaret Santor
Maxwell Foster
Inspector Brownlow
Edward Higgins
Sgt. Bolton (as Edward Higgings)
Robert MacKenzie
Lewis Carling (as Robert Mackenzie)
Norman Claridge
Dr. Patterson
Sara Leighton
Susan Curtis
Alexander Field
Fair Attendant
John A. Tinn
Lascar (as John Tinn)
Peter Lewiston
Det. Sgt. Freeman
Shief Ashanti
Witch Doctor (uncredited)
Marie Devereux
Prostitute (uncredited)
John Grant
Rescue Party Leader (uncredited)
Susan Neill
Orange-Juice Counter Girl (uncredited)
Stanley Platts
Explorers Club Steward (uncredited)
