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Игорь Пушкарёв as Sergei Sazonov |
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Нина Дробышева as Natasha |
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Павел Махотин as Aleksandr Kalugin |
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Людмила Шагалова as Vera |
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Владимир Честноков as Arkadyev |
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Владимир Самойлов as Boris Mikhailovich |
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Олег Жаков as Yevgeni Alekseyevich |
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Александр Стрельников as Grigoryev |
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Павел Кашлаков as Vorontsov |
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Виктор Терехов as Misha |
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Lev Brilliantov as Sokov |
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Анатолий Абрамов as dormitory commandant |
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Людмила Колпакова as hospital doctor |
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Ефим Копелян as Ruben Grigoryevich |
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Светлана Мазовецкая as laboratory assistant |
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Вера Медведева as Arkadyev's secretary |
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Геннадий Нилов as test doctor |
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Анатолий Павлов as member of the flight preparation commission |
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Роза Свердлова as hospital doctor |
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Александр Суснин as aircraft technician |
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Valeri Somov as laboratory assistant |
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Иван Дмитриев as general |
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Станислав Фесюнов as Viktor |
| Directing | Анатолий Граник | Director |
| Writing | Алексей Тверской | Writer |
| Art | Николай Суворов | Production Design |
| Camera | Музакир Шуруков | Director of Photography |
| Costume & Make-Up | Николай Эленбоген | Makeup Artist |
| Costume & Make-Up | Лидия Шильдкнехт | Costume Design |
| Directing | Семён Деревянский | Assistant Director |
| Sound | Исаак Шварц | Original Music Composer |
| Sound | Семён Шумячер | Sound Director |
| Writing | Светлана Пономаренко | Script Editor |
| Editing | A. Ruzanova | Editor |
| Camera | L. Aleksandrov | Camera Operator |
| Art | N. Kurnikova | Set Decoration |
| Directing | A. Dyomina | First Assistant Director |
| Directing | Людмила Шредерс | Second Assistant Director |
| Visual Effects | Георгий Варгин | VFX Director of Photography |
| Visual Effects | Владимир Соловьёв | VFX Artist |
| Camera | Георгий Варгин | Aerial Camera |
| Camera | K. Filippov | Aerial Camera |
| Writing | P. Roytberg | Script Consultant |
| Writing | V. Rassvetayev | Script Consultant |
| Writing | Aleksey Kasatkin | Script Consultant |
| Writing | V. Denisov | Script Consultant |
| Sound | E. Grikurov | Conductor |
| Production | Nikolai Yeliseyev | Producer |
