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Loengrin Minaev as Arkadiy Zubov |
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Pyotr Grokhovskiy as Genya |
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Boris Runge as Lyova Prokushev |
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Lev Mirsky as Vitya Surikov |
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Dagmara Deringer as Lidochka |
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Yekaterina Derevshchikova as Katya |
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K. Gavrikov as Classmate |
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Grigoriy Aronov as Aronov, classmate |
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Anatoliy Ignatyev as Seryozha |
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Vera Altayskaya as Marusya Ivanova, pioneer leader |
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Pyotr Savin as Vladimir Vishnyakov, teacher |
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Lev Potyomkin as Arkadiy's father |
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Nina Rusinova as Arkadiy's mother |
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Andrei Tutyshkin as School headmaster |
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Elena Maksimova as Vitya Surikov's mother |
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Eduard Volodarskiy as Classmate |
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Anatoli Goryunov as Doctor (uncredited) |
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Aleksandr Sashin-Nikolsky as Friend of Surikov's mother |
| Directing | Aleksandr Razumnyj | Director |
| Writing | V. Potashev | Writer |
| Writing | Arkady Gaydar | Writer |
| Camera | Vasili Dultsev | Director of Photography |
| Camera | Aleksey Selyankin | Director of Photography |
| Sound | David Blok | Original Music Composer |
| Art | Ivan Stepanov | Production Design |
| Writing | V. Potashev | Book |
