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Андрей Гончаров as Karpenko |
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Генрих Осташевский as Sergeev |
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Микола Муравйов as Ostapchuk |
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Константин Барташевич as fleet commander |
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Владимир Волчик as Jansen, spy |
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Павел Луспекаев as chief of staff |
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Иван Переверзев as Belsky |
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Алексей Бахарь as Carl, a diver-saboteur |
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Борис Новиков as Lieutenant Dudnik |
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В. Белый as journalist |
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Алексей Максимов as Kerzhentsev |
| Writing | Владимир Черносвитов | Writer |
| Directing | Леонид Эстрин | Director |
| Costume & Make-Up | Лидия Байкова | Costume Design |
| Art | Владимир Агранов | Production Design |
| Camera | Олександр Пищиков | Director of Photography |
| Art | Александр Кудря | Production Design |
| Costume & Make-Up | L. Lisovskaya | Makeup & Hair |
| Sound | Vladimir Kirpan | Original Music Composer |
| Sound | I. Ilyishek | Sound Director |
| Editing | S. Teslenko | Editor |
| Sound | Константин Симеонов | Conductor |
| Visual Effects | Николай Илюшин | VFX Director of Photography |
| Writing | Р. Король | Script Editor |
| Writing | Vladimir Karpeko | Lyricist |
| Production | Davyd Yanover | Executive Producer |
| Directing | Ihor Vetrov | First Assistant Director |
| Writing | Владимир Алексеев | Co-Writer |
| Sound | Марк Фрадкин | Main Title Theme Composer |
| Visual Effects | Георгий Лукашов | VFX Supervisor |
| Camera | Fedor Leontovych | Underwater Director of Photography |
