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Элина Быстрицкая as Yelizaveta Muromtseva |
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Sergei Bondartschuk as Yuri Yershov |
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Софья Гиацинтова as Anna Yershova, Yuri's Mother |
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Евгений Самойлов as Aleksandr Aganin |
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Евгений Лебедев as Fyodor Ivanovich |
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Александр Лариков as grandpa Spirin |
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Герман Хованов as Vasiliy Spirin |
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Юрий Толубеев as Nikolai Sladkov |
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Эраст Гарин as Koloskov |
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Антонина Богданова as aunt Polya, Muromtseva's neighbour |
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Сергей Карнович-Валуа as professor Valentin Osipovich |
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Сергій Дворецький as student Sergei Andreyev |
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Olga Zabotkina as student Nadya |
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Владимир Воронов as Ponomaryov |
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Сергей Карнович-Валуа as Professor Valentin Osipovich |
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Борис Лёскин as Malingerer |
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Владимир Чобур as Plant director |
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Юрий Бубликов as Plant engineer |
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Валентина Чемберг as Patient's mother |
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Глеб Селянин as Volodya, student |
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Ariadna Kuznetsova as Graduate (uncredited) |
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Юрий Родионов as Yura (uncredited) |
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Александра Тришко as Yard-keeper (uncredited) |
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Tatyana Khorishko as Nastenka Spirina (uncredited) |
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Екатерина Соболь as Patient (uncredited) |
| Directing | Фридрих Эрмлер | Director |
| Writing | Константин Исаев | Writer |
| Directing | Семён Деревянский | Co-Director |
| Directing | Г. Цорин | Assistant Director |
| Directing | L. Karaseva | Assistant Director |
| Camera | Анатолий Назаров | Director of Photography |
| Camera | Владимир Бурыкин | Camera Operator |
| Camera | G. Afanasyev | Assistant Camera |
| Art | Исаак Каплан | Production Design |
| Art | Белла Маневич | Production Design |
| Sound | Гавриил Попов | Original Music Composer |
| Sound | Александр Беккер | Sound Director |
| Editing | Евгения Маханькова | Editor |
| Costume & Make-Up | Галина Васильева | Makeup & Hair |
| Art | Юрий Фрейдлин | Set Designer |
| Writing | Innokenty Gomello | Script Editor |
| Crew | Ivan Razdolskiy | Scientific Consultant |
| Production | Тамара Самознаева | Executive Producer |
