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Ivars Kalniņš as Rayflint |
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Donatas Banionis as Bar-Mattay - professor psychologist |
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Արմեն Բորիսի Ջիգարխանյան as Styuard |
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Юрий Васильев as O'Gregori - major |
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Pauls Butkēvičs as Roop |
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Татьяна Паркина as Nika |
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Надежда Бутырцева as Magda |
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Вадим Иванов as член экипажа |
| Editing | Светлана Гуральская | Editor |
| Writing | Nikolay Cherkashin | Screenplay |
| Directing | Алексей Салтыков | Director |
| Art | Стален Волков | Production Design |
| Sound | Георгий Гаранян | Original Music Composer |
| Camera | Александр Рябов | Director of Photography |
| Sound | Владимир Шарун | Sound Director |
| Directing | S. Tarasov | Assistant Director |
| Camera | И. Юмашев | Camera Operator |
| Costume & Make-Up | Зинаида Егорова | Makeup & Hair |
| Costume & Make-Up | E. Galkina | Assistant Costume Designer |
| Crew | Nikolay Smirnov | Military Consultant |
| Writing | Нина Глаголева | Script Editor |
| Sound | Арсений Лаписов | Music Editor |
| Production | Tamara Kharitonova | Executive Producer |
