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Александр Сафронов as Volodya Prokhorov |
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Игорь Васильев as Academician Korostylyov |
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Юрий Назаров as Rodion Terentyevich Ugryumov |
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Людмила Максакова as Yuliya Aleksandrovna Skurlatova |
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Владимир Носик as Dyomkin |
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Ольга Гудкова as Lena |
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Надежда Бутырцева as Tanya |
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Владимир Гуляев as Shibanov |
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Геннадий Корольков as Kharlamov |
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Владимир Козелков as |
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Геннадий Крашенинников as Petrikov |
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Александр Пятков as Tyurin |
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Георгиос Совчис as Gulyayev |
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Валерий Шальных as Valeriy Orlov |
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Владимир Привалов as |
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Николай Шацкий as Grandpa Antip |
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Вадим Александров as Sherstyuk |
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Наталья Хорохорина as |
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Алексей Золотницкий as Scientist |
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Валерий Захарьев as Research Assistant |
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Андрей Вознесенский as |
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Юрий Гусев as Scientist(uncredited) |
| Directing | გიორგი კალატოზიშვილი | Director |
| Writing | მიხეილ კალატოზიშვილი | Writer |
| Writing | Василий Соловьёв | Writer |
| Sound | გია ყანჩელი | Original Music Composer |
| Camera | Сергей Вронский | Director of Photography |
| Art | Феликс Ясюкевич | Production Design |
| Writing | Михаил Колесников | Novel |
| Sound | Марк Бронштейн | Sound Director |
| Sound | Георгий Гаранян | Conductor |
| Directing | Yuri Kolcheyev | Assistant Director |
| Camera | Всеволод Симаков | Camera Operator |
| Camera | Николай Яблоновский | Camera Operator |
| Costume & Make-Up | Майя Филиппова | Costume Design |
| Costume & Make-Up | Всеволод Желманов | Makeup Artist |
| Editing | Ирма Цекавая | Editor |
| Visual Effects | Борис Травкин | VFX Director of Photography |
| Visual Effects | Альберт Рудаченко | VFX Artist |
| Lighting | Михаил Куделин | Lighting Artist |
| Lighting | А. Моденов | Lighting Artist |
| Writing | Эдгар Смирнов | Script Editor |
| Sound | Арсений Лаписов | Music Editor |
| Directing | E. Dukelskaya | First Assistant Director |
| Directing | V. Yablokov | Second Assistant Director |
| Camera | Сергей Кочебуров | Assistant Camera |
| Camera | Evgeniy Lebedev | Assistant Camera |
| Costume & Make-Up | Галина Кузнецова | Assistant Costume Designer |
| Production | Владимир Марон | Executive Producer |
