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Edward Underdown as Robert Mansell |
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Cathy O'Donnell as Nina van Rhyne |
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Lois Maxwell as Enid Mansell |
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Claude Farell as Delysia Vernova |
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Peter Reynolds as Brian Mansell |
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Marjorie Fielding as Mrs. Mansell |
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Anthony Nicholls as Dr. Nigel Jarvis |
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Isabel Dean as Isobel Mansell |
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John Bentley as Renfro Mansell |
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Olaf Pooley as Fudolf Mansell |
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Ernest Thesiger as Judge |
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Eric Pohlmann as Steffano |
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Joan Collins as Marina |
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Dana Wynter as Elaine |
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Geoffrey Toone as Count Cambia |
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Anton Diffring as Peasant |
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Miles Malleson as A. Secrett |
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Peter Illing as Sergei |
| Production | Walter C. Mycroft | Producer |
| Directing | Leslie Arliss | Director |
| Editing | Edward B. Jarvis | Editor |
| Sound | Robert Gill | Original Music Composer |
| Camera | Erwin Hillier | Director of Photography |
