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George Brent as Prince Kurt von Rotenberg |
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Martha Scott as Marta Keller |
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Paul Lukas as Baron von Helsing |
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Peter Cushing as Sub-Lieutenant Blackler |
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Sig Arno as Louis |
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Georgia Backus as German Secretary |
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Edgar Barrier as Capt. Wilhelm Ehrhardt |
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Don Beddoe as Second Sailor |
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Nicholas Bela as First Sailor (uncredited) |
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Leon Belasco as Pierre |
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Roman Bohnen as Baron Shafter |
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Nina Borget as Stewardess |
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Harry C. Bradley as |
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Harry C. Bradley as Prof. Keller |
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Lloyd Bridges as Blonde Officer |
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Stanley Brown as Michael |
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Jack Chefe as Deck Steward |
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Leslie Denison as English Father |
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Paul Deno as Doorman |
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Eddie Fetherston as Reporter |
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Richard Fiske as Third Photographer |
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Hans Fuerberg as Second Waiter |
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Jack Gardner as First Photographer |
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Gregory Gaye as Von Mueller |
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Jack George as Orchestra Leader |
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Brenda Henderson as English Girl |
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Erwin Kalser as Klaus |
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Cy Kendall as Maj. Kenlein |
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Kay Linaker as Barbara Murdock |
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Richard Lyon as English Boy |
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Eric Mayne as Cafe Patron |
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Philo McCullough as Second Photographer |
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David Oliver as Fourth Photographer |
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Gerald Pierce as Messenger Boy |
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Paul Power as Society Man |
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Frank Reicher as Captain |
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Georges Renavent as Belgian Captain |
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John Rogers as Non-Commissioned Officer |
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Bodil Rosing as Leni |
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Hans Schumm as Brookner |
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Walter O. Stahl as Count Marlik |
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Wyndham Standing as Cafe Patron |
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Marguerita Sylva as Countess Marlik |
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Phil Taylor as Hugo |
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Philip Van Zandt as Radio Operator (Uncredited) |
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Frederick Vogeding as Carl Schmidt |
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Charles Wagenheim as Valet |
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Poppy Wilde as Society Girl |
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Fred Wolff as First Waiter |
| Production | Samuel Bischoff | Producer |
| Writing | Ernest Vajda | Writer |
| Writing | James Edward Grant | Story |
| Directing | James Whale | Director |
| Writing | Charles Bennett | Writer |
| Editing | Al Clark | Editor |
| Camera | Franz Planer | Director of Photography |
