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Griffith Jones as Nikki |
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Vanessa Lee as Princess Cristiane |
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Margot Grahame as Marta Karillos |
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Mary Hinton as Queen Elena of Murania |
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Nicholas Amer as Volkoff |
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June Grant as Countess Vera Lemainken |
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Austin Trevor as Vanescu |
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Denis Martin as Count Egon Stanieff |
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Ian Fleming as King Peter of Norseland |
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Gay Cameron as Princess Hulda |
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Linda Dixon as Princess Kirsten |
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Moira Mannion as Madame Koska |
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Bruno Barnabe as Chief Revolutionary |
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Hamlyn Benson as The Archbishop |
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David Hemmings as The Boy King |
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John Kidd as Jules |
| Production | Douglas Moodie | Producer |
| Writing | Ivor Novello | Writer |
| Sound | Ivor Novello | Music |
| Sound | Alan Yates | Music Arranger |
| Writing | Christopher Hassall | Lyricist |
| Art | Richard Henry | Production Design |
| Costume & Make-Up | Joyce Hammond | Costume Supervisor |
| Costume & Make-Up | Susan Park | Makeup Supervisor |
