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Peter van Eyck as Georg Droste |
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Marianne Koch as Nora Gulden |
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Macdonald Carey as Mr. Smith |
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Christopher Lee as Baron Ferdi von Staub |
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Billie Whitelaw as Piroska Maslov |
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Albert Lieven as Inspector Huebling |
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David Knight as Father Zombary |
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Marius Goring as General Greenhahn |
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Helen Cherry as Countess Carla Cosimano |
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Colin Gordon as Count Dezsepalvy |
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Niall MacGinnis as Paul Vass |
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Eric Pohlmann as Bloch |
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Peter Vaughan as Chief of Hungarian Police |
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Michael Brennan as Horvat |
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Jeremy Bulloch as Johnny Droste |
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Bart Bastable as Cattle Truck Driver (uncredited) |
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Charles Byrne as Vazlan (uncredited) |
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Christopher Casson as Headmaster (uncredited) |
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John Cowley as Funnel-Shaped Man |
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Adrian Cronon as Young Priest (uncredited) |
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Vincent Dowling as Father Farcosc (uncredited) |
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Walter Gotell as Dr. Ritter (uncredited) |
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Peadar Lamb as Muller (uncredited) |
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Robert Lepler as Head Waiter (uncredited) |
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Jeffrey O'Kelly as Spy (uncredited) |
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Norman Rodway as Machine Gunner at Border (uncredited) |
| Production | Emmett Dalton | Producer |
| Directing | John Paddy Carstairs | Director |
| Production | Artur Brauner | Executive Producer |
| Writing | Hans Habe | Novel |
| Editing | Tom Simpson | Editor |
| Writing | Robert Westerby | Screenplay |
| Camera | Gerald Gibbs | Director of Photography |
| Sound | Philip Green | Original Music Composer |
