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Ричард Грин as Count Alexei Orloff |
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Valentina Cortese as Elizabeth, Princess Tarakanova |
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Binnie Barnes as Catherine - Empress of Russia |
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Greta Gynt as Countess Loradona Camponiello |
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Charles Goldner as General Korsakov |
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Walter Rilla as Prince Radziwill |
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Hugh French as Captain Sergei Nikolsky |
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Dennis Vance as Vasska, Orloff's Aide |
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William Tubbs as Boris |
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Dino Galvani as Russian Ambassador |
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Ewan Roberts as Ship's Doctor |
| Sound | Hans May | Original Music Composer |
| Costume & Make-Up | Gerry Fairbank | Makeup Artist |
| Production | Anthony Havelock-Allan | Producer |
| Camera | Erwin Hillier | Director of Photography |
| Costume & Make-Up | Vera Franklin | Hairstylist |
| Directing | Roger Good | Assistant Director |
| Writing | Doreen Montgomery | Screenplay |
| Costume & Make-Up | Vittorio Nino Novarese | Costume Design |
| Costume & Make-Up | Doreen Hart | Hairstylist |
| Production | Gregory Baird Smith | Production Manager |
| Costume & Make-Up | G. di Rossi | Makeup Artist |
| Art | Kenneth McCallum Tait | Set Decoration |
| Writing | Hagar Wilde | Screenplay |
| Art | Wilfred Shingleton | Art Direction |
| Camera | Cecil Cooney | Camera Operator |
| Directing | Sidney Salkow | Director |
| Writing | Жак Компанеец | Original Story |
| Editing | Питер Грэм Скотт | Editor |
