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Вячеслав Тихонов as doctor Golubev |
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Николай Симонов as professor Peskov |
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Андрей Абрикосов as Professor Klyonov |
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Кирил Столяров as Balashov |
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Людмила Гурченко as Tanya |
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Нинель Мышкова as Nina |
| Writing | Aleksandr Galich | Writer |
| Directing | Абрам Роом | Director |
| Writing | Vladimir Dyagilev | Book |
| Camera | Леонид Крайненков | Director of Photography |
| Camera | Александр Харитонов | Director of Photography |
| Art | Стален Волков | Production Design |
| Sound | Михаил Чулаки | Original Music Composer |
| Sound | Константин Гордон | Sound Director |
| Sound | Арнольд Ройтман | Conductor |
| Production | Михаил Левин | Executive Producer |
