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Владимир Самойлов as Professor Aleksey Severtsev |
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Кюнна Игнатова as Yelena Ryabinina |
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Борис Рыжухин as Oleg Odintsov |
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Пантелеймон Крымов as Komarov |
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Вера Медведева as Anna Mikhaylovna |
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Николай Харитонов as Platonov |
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Vyacheslav Sokolov as Kurkov |
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Николай Кузьмин as Sharonov |
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Natalya Kudryavtseva as Petya Nechayev's Mother |
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Адриан Филиппов as Surgeon Belov |
| Directing | Геннадий Казанский | Director |
| Writing | L. Maltsev | Writer |
| Writing | Georgiy Belenkiy | Writer |
| Camera | Музакир Шуруков | Director of Photography |
| Art | Василий Зачиняев | Production Design |
| Directing | Михаил Шейнин | Assistant Director |
| Camera | Александр Сысоев | Camera Operator |
| Sound | Надежда Симонян | Original Music Composer |
| Sound | Ростислав Лапинский | Sound Director |
| Editing | K. Kozyreva | Editor |
| Writing | Исаак Гликман | Script Editor |
| Crew | M. Shraiber | Scientific Consultant |
| Sound | Dzhemal-Eddin Dalgat | Conductor |
| Production | N. Lobanov | Executive Producer |
