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Nikolai Cherkasov as kapitan Levashov |
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Pyotr Andriyevsky as Head of the Nakhimov School |
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Stepan Krylov as starshina Korkin |
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Pavel Volkov as michman Bulat |
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Mikhail Boytsov as Sergey Stolitsyn |
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Igor Klimenkov as Boris Lavrov |
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Sergei Uspensky as Fedya Snezhkov |
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Yuri Zhestovsky as Zaitsev ("Mast") |
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Vadim Svirsky as Styopa Skovorodkin, pioneer |
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Vitya Tsoy as Marat Kerimov |
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Ivan Savelyev as officer-educator |
| Directing | Nikolai Lebedev | Director |
| Sound | Leon Khoja-Einatoff | Original Music Composer |
| Camera | Veniamin Levitin | Director of Photography |
| Sound | Vasiliy Solovev-Sedoy | Original Music Composer |
| Writing | Aleksandr Popov | Writer |
| Art | Viktor Savostin | Production Design |
| Directing | Antonina Kudryavtseva | Assistant Director |
| Directing | N. Titov-Darian | Assistant Director |
| Sound | Aleksandr Ostrovsky | Sound Director |
| Sound | L. Yukhnin | Conductor |
