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John Derek as Alexej Orloff |
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Elsa Martinelli as Mascha |
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Dawn Addams as Irina Tatyana |
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Gert Fröbe as Professor |
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Wolfgang Preiss as General Gorew |
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Rik Battaglia as Lt. Lisenko |
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Charles Vanel as Ossip Semjonowitsch |
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Ingmar Zeisberg as Olga |
| Directing | Viktor Tourjansky | Director |
| Writing | Viktor Tourjansky | Writer |
| Writing | Damiano Damiani | Writer |
| Writing | Salka Viertel | Writer |
| Costume & Make-Up | Enzo Bulgarelli | Costume Design |
| Sound | Norbert Glanzberg | Original Music Composer |
| Camera | Mario Montuori | Director of Photography |
| Art | Vlastimir Gavrik | Art Direction |
| Editing | Roberto Cinquini | Editor |
