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Георгий Бурков as Planetarium Lecturer |
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Екатерина Голубева-Польди as Katya Sinitsyna |
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Ian Khviler as 'Myamlya' Krotov, Anton's younger brother |
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Татьяна Божок as Nina Grigoryevna, Teacher |
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Екатерина Васильева as Valentina Serafimovna, Teacher |
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Евгения Ханаева as Director of the School, Nina's Grandmother |
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Рина Зелёная as Great Grandmother |
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Мария Виноградова as Dasha Gushchina's Grandmother |
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Елена Финогеева as Vera Vladimirovna, Dima's Mother |
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Mariya Kovtun as Dasha Gushchina |
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Dmitri Litvinov as Dima 'Golovastik' Golovanov |
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Владимир Борисов as Anton Krotov |
| Writing | Natalya Azimova | Writer |
| Camera | Всеволод Симаков | Director of Photography |
| Sound | Борис Рычков | Original Music Composer |
| Directing | Nikolai Spiridenko | Director |
| Writing | Irina Timchenko | Writer |
| Sound | Лия Беневольская | Sound |
| Art | Ирина Шретер | Production Design |
