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Александр Збруев as Sergei Petrovich Shubnikov |
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Ирина Понаровская as Regina Mikhailovna Korabelnikova |
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Юрий Демич as Vadim |
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Бруно Фрейндлих as Kirill Pavlovich Klivenskiy |
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Ирина Григорьева as Lyusia |
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Борис Иванов as Nikolay Arkadevich Drozdov |
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Людмила Аринина as Vera Arkadyevna Drozdova |
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Александр Анисимов as Semyon Grigoryevich Dmitruk |
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Иван Дмитриев as Varentsov |
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Павел Панков as Novosyolov |
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Георгий Штиль as Eduard Tsesarskiy |
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Геннадий Нилов as Nikolay Sergeyevich Kravchenko |
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Пётр Шелохонов as Pankratov |
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Галина Короткевич as Kartashova |
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Алла Соколова as |
| Editing | Татьяна Пулина | Editor |
| Art | Римма Штиль | Set Decoration |
| Art | Всеволод Улитко | Production Design |
| Directing | Герберт Раппапорт | Director |
| Art | Юрий Ротин | Set Decoration |
| Writing | Эдгар Дубровский | Writer |
| Writing | Герберт Раппапорт | Co-Writer |
| Camera | Александр Чиров | Director of Photography |
| Sound | Борис Хуторянский | Sound Director |
| Sound | Александр Мнацаканян | Original Music Composer |
| Directing | Яков Родин | Assistant Director |
| Writing | Михаил Кураев | Script Editor |
| Costume & Make-Up | Наталья Ландау | Costume Design |
| Camera | B. Aleksandrovsky | Camera Operator |
| Costume & Make-Up | С. Смирнова | Makeup Artist |
| Costume & Make-Up | Николай Пилявский | Makeup Artist |
| Visual Effects | Владимир Соловьёв | VFX Artist |
| Sound | Ye. Krishtal | Sound Assistant |
| Costume & Make-Up | L. Kukushkina | Assistant Makeup Artist |
| Camera | Yu. Pleshkin | Assistant Camera |
| Camera | V. Gruzdev | Assistant Camera |
| Directing | Нина Зимацкая | First Assistant Director |
| Directing | Nelly Barkova | First Assistant Director |
| Directing | V. Belov | Second Assistant Director |
| Directing | В. Кравченко | Second Assistant Director |
| Editing | Р. Вайн-Риб | Assistant Editor |
| Crew | Павел Перевозник | Police Consultant |
| Crew | A. Krush | Police Consultant |
| Crew | Yu. Mikhaylov | Police Consultant |
| Production | А. Семёнов | Administration |
| Production | Вениамин Кутиков | Administration |
| Production | V. Dyatlov | Administration |
| Production | N. Ignatova | Administration |
| Production | Юрий Губанов | Executive Producer |
| Visual Effects | Михаил Покровский | Visual Effects Camera |
