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Yuri Bychkov as Kolya Novikov |
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Николай Симонов as Ilya Golovin |
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Юрий Толубеев as Grigori Novikov |
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Владимир Лукин as Teacher Aleksey Petrovich |
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Василий Меркурьев as Fellow Traveler |
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Ольга Аверичева as Kolya's Mother |
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Андрей Апсолон as Pioneer Leader |
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Rita Klokova as Rita |
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Vladimir Repkin as Yashka Makin |
| Directing | Ян Фрид | Director |
| Writing | Андрей Апсолон | Writer |
| Sound | Iosif Pustylnik | Original Music Composer |
| Production | N. Lobanov | Producer |
| Camera | Хечо Назарьянц | Director of Photography |
| Art | Mikhail Semenenko | Production Design |
| Sound | Григорий Эльберт | Sound Director |
