Sally Eilers
Claire Martel
Donald Woods
Joel Grant / Joseph Elmer
Eduardo Ciannelli
Dr. Victor Martel
Victor Kilian
Guissart
Charles Halton
Commandant
Dick Curtis
Jules
John Tyrrell
Gerault
Eddie Laughton
Brisson
Edmund Cobb
Quarry Guard
Robert Warwick
Governor
Lloyd Bridges
Rene (uncredited)
Byron Foulger
Presidente Judge (uncredited)
