Calificación
Reparto

George Brent
Prince Kurt von Rotenberg

Martha Scott
Marta Keller

Paul Lukas
Baron von Helsing

Peter Cushing
Sub-Lieutenant Blackler

Sig Arno
Louis

Georgia Backus
German Secretary

Edgar Barrier
Capt. Wilhelm Ehrhardt

Don Beddoe
Second Sailor

Nicholas Bela
First Sailor (uncredited)

Leon Belasco
Pierre

Roman Bohnen
Baron Shafter

Nina Borget
Stewardess

Harry C. Bradley
Prof. Keller

Lloyd Bridges
Blonde Officer

Stanley Brown
Michael