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Valerie Hobson as Tania |
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Frank Vosper as Kazdim |
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James Mason as Larry |
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Kay Walsh as Diana |
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Peter Haddon as Peter |
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Laura Cowie as Baroness |
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Cecil Ramage as Prince Ali |
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Robert English as Sir George |
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Emilio Cargher as Renouf |
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Leonard Sachs as Arif |
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Andreas Malandrinos as Moltov |
| Directing | Andrew Marton | Director |
| Sound | Allan Gray | Original Music Composer |
| Art | D.W. Daniels | Art Direction |
| Editing | Inman Hunter | Editor |
| Production | J.W. Dodds | Production Manager |
| Camera | Henry Harris | Director of Photography |
| Crew | M.R. Cruickshank | Sound Recordist |
| Production | Richard Wainwright | Producer |
| Writing | Andrew Marton | Adaptation |
| Writing | Noel Langley | Dialogue |
| Writing | Howard Irving Young | Adaptation |
| Writing | László Benedek | Adaptation |
| Writing | Dennis Wheatley | Novel |
| Writing | Richard Wainwright | Scenario Writer |
| Writing | George A. Hill | Novel |
