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Андрей Толубеев as Stepan Sergeyevich Shelagin |
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Алексей Нилов as Vitaliy Igumnov |
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Александр Баринов as Aleksandr Petrov |
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Александр Аржиловский as Research worker |
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Александр Беспалый as Mefodiy Soroka |
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Анатолий Ведёнкин as Vasiliy Yevsyukov |
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Олег Голубицкий as Viktor Antonovich Bayannikov |
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Любовь Германова as Katya Shelagina |
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Валентина Егоренкова as Ninel Vladimirovna Starycheva |
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Олег Корчиков as Anatoliy Vasilyevich Trufanov |
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Александр Кашперов as Fomin |
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Вадим Лобанов as Admiral |
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Ольга Лысенко as Vitaliy Igumnov's mother |
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Игорь Ленёв as Sorin |
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Расьціслаў Шмыроў as Igor Borisov |
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Катерина Гечмен-Вальдек as Asya |
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Михаил Федоровский as Rafail Sigizmundovich |
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Генадзь Гарбук as Savchikov |
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Уладзімір Грыцэўскі as Naval officer |
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Анатолий Гурьев as Research engineer |
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Dmitry Kalinin as |
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Уладзімер Січкарь as Strigunkov |
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Сергей Сычев as Marshal |
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Анатоль Цярпіцкі as Naval officer |
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Пётар Юрчэнкаў старэйшы as Research engineer |
| Camera | Анатолий Зубрицкий | Director of Photography |
| Sound | Пётр Альхимович | Music |
| Directing | Сергей Сычев | Director |
| Art | Vladimir Kovalyov | Production Design |
| Writing | Александр Бородянский | Writer |
| Production | Сергей Мосин | Producer |
