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Alan Dobie as Prince Florizel |
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Bernard Archard as The President |
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Hildegard Neil as The Woman in Black |
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David Collings as James Morris |
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Eric Woofe as Colonel Geraldyne |
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Ronald Adam as Sir Montague Malthus |
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Jonathan Newth as Lt. Brackenbury Rich |
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Roger Booth as Major O'Rooke |
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Michael Hall as Mataschek |
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Clyde Pollitt as Bodysnatcher |
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Ivor Danvers as Croupier |
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Alan Hay as Bar Pianist |
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Terence Conoley as Club Member (uncredited) |
| Writing | Robert Muller | Adaptation |
| Directing | Mike Vardy | Director |
| Writing | George Markstein | Story Editor |
| Crew | Derek Ware | Fight Choreographer |
| Art | Peter Le Page | Art Designer |
| Sound | Benjamin Frankel | Music |
| Production | Reginald Collin | Producer |
| Writing | Robert Louis Stevenson | Novel |