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Леонид Харитонов as Andrei |
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Олег Голубицкий as Arkadi |
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Виктор Хохряков as Professor Averin |
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Lidiya Chernyshyova as Averin's wife |
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Олег Анофриев as Vadim |
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Олег Голубицкий as Arkady |
| Directing | Viktor Eïssymont | Director |
| Writing | Виктор Розов | Writer |
| Writing | Виктор Розов | Theatre Play |
| Camera | Борис Монастырский | Director of Photography |
| Art | Александр Дихтяр | Production Design |
| Sound | Марк Фрадкин | Original Music Composer |
| Sound | Николай Писарев | Sound Director |
| Writing | Евгений Долматовский | Lyricist |
| Directing | M. Volodin | First Assistant Director |
| Directing | Ирина Сафарова | Second Assistant Director |
| Camera | Инна Зарафьян | Camera Operator |
| Camera | Анатолий Николаев | Camera Operator |
| Writing | Семён Клебанов | Script Editor |
| Editing | Раиса Шор | Editor |
| Costume & Make-Up | Мариам Быховская | Costume Design |
| Production | Владимир Чайка | Producer |
| Sound | Григорий Гамбург | Conductor |
| Visual Effects | Франц Шах | Visual Effects Camera |
