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Ralph Richardson as Jaap van Leyden |
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Googie Withers as Helène van Leyden |
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Esmond Knight as Von Schiffer |
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Beresford Egan as Krampf |
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Frederick Burtwell as Captain Müller |
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Kathleen Byron as Schoolmistress |
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Willem Akkerman as Willem van Leyden |
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Dorothy Gordon as Janni Peters |
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Charles Victor as Bastiaan Peters |
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John Longden as Jost Meertens |
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Joss Ambler as Cornelis Smit |
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Margaret Emden as Bertha |
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Neville Mapp as Joop |
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Ivor Barnard as Admiral |
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John Carol as Johann |
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Philip Leaver as Chief of Police |
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Lawrence O'Madden as Captain Schneider |
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Anthony Eustrel as Lieutenant Wernicke |
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Valentine Dyall as Markgraf |
| Writing | Gordon Wellesley | Writer |
| Directing | Vernon Sewell | Director |
| Directing | Gordon Wellesley | Director |
| Writing | Emeric Pressburger | Story |
| Writing | Vernon Sewell | Writer |
| Production | Ralph Richardson | Associate Producer |
| Production | Michael Powell | Producer |
| Production | Emeric Pressburger | Producer |
| Sound | Allan Gray | Original Music Composer |
| Camera | Erwin Hillier | Director of Photography |
| Editing | Michael C. Chorlton | Editor |
| Art | Alfred Junge | Production Design |
| Production | George Maynard | Production Manager |
| Directing | Denis Kavanagh | Assistant Director |
| Sound | John Dennis | Sound |
| Sound | Desmond Dew | Sound |
| Crew | Eric Humphriss | Special Effects |
| Camera | Cecil Cooney | Camera Operator |
