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Georgi Solovyov as Konstantin Tsiolkovsky |
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Георгий Кульбуш as Astronaut |
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Andrey Shutko as Astronaut |
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Dmitriy Shatrov as Astronaut |
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G. Bakhmatskiy as |
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Леонид Хмара as Narrator (voice) |
| Directing | Павел Клушанцев | Director |
| Writing | Василий Соловьёв | Writer |
| Writing | Борис Ляпунов | Writer |
| Camera | Михаил Гальпер | Director of Photography |
| Crew | A. Povalyayev | Scientific Consultant |
| Crew | V. Krylov | Scientific Consultant |
| Crew | Feliks Yakaytis | Scientific Consultant |
| Crew | Aleksandr Markov | Scientific Consultant |
| Crew | B. Vorobyov | Scientific Consultant |
| Directing | L. Presnyakova | Assistant Director |
| Directing | G. Tsvetkov | Assistant Director |
| Visual Effects | Анатолий Лаврентьев | VFX Director of Photography |
| Visual Effects | A. Romanenko | VFX Director of Photography |
| Art | Михаил Цыбасов | Production Design |
| Visual Effects | V. Shelkov | VFX Artist |
| Visual Effects | G. Yershov | Animation Director |
| Sound | R. Levitina | Sound Director |
| Sound | Сергей Шатирян | Original Music Composer |
| Production | E.G. Shteinberg | Executive Producer |
