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Andrei Tolubeyev as Stepan Sergeyevich Shelagin |
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Aleksei Nilov as Vitaliy Igumnov |
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Aleksandr Barinov as Aleksandr Petrov |
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Aleksandr Arzhilovskiy as Research worker |
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Aleksandr Bespalyy as Mefodiy Soroka |
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Anatoly Vedyonkin as Vasiliy Yevsyukov |
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Oleg Golubitsky as Viktor Antonovich Bayannikov |
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Lyubov Germanova as Katya Shelagina |
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Valentina Egorenkova as Ninel Vladimirovna Starycheva |
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Oleg Korchikov as Anatoliy Vasilyevich Trufanov |
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Aleksandr Kashperov as Fomin |
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Vadim Lobanov as Admiral |
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Olga Lysenko as Vitaliy Igumnov's mother |
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Igor Lenyov as Sorin |
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Rostislav Shmyryov as Igor Borisov |
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Yekaterina Urmancheyeva as Asya |
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Mikhail Fedorovskiy as Rafail Sigizmundovich |
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Gennadiy Garbuk as Savchikov |
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Vladimir Gritsevskiy as Naval officer |
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Anatoliy Guryev as Research engineer |
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Dmitry Kalinin as |
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Vladimir Sichkar as Strigunkov |
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Sergei Sychyov as Marshal |
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Anatoliy Terpitskiy as Naval officer |
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Pyotr Yurchenkov Sr. as Research engineer |
| Production | Sergey Mosin | Producer |
| Camera | Anatoliy Zubritsky | Director of Photography |
| Sound | Pyotr Alkhimovich | Music |
| Writing | Aleksandr Borodyanskiy | Writer |
| Directing | Sergei Sychyov | Director |
| Art | Vladimir Kovalyov | Production Design |
