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Лілія Гриценко as Stepan (voice) |
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Галина Новожилова as Tanya, his sister (voice) |
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Евгения Морес as Volodya, their neighbor (voice) |
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Михаил Яншин as Boatswain Mikhal Mikhalych (voice) |
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Эраст Гарин as Toy clown / voice from radio (voice, uncredited) |
| Visual Effects | Фёдор Хитрук | Animation |
| Directing | Валентина Брумберг | Director |
| Directing | Зинаида Брумберг | Director |
| Writing | Сергей Ермолинский | Writer |
| Art | Лана Азарх | Art Direction |
| Art | Григорий Козлов | Art Direction |
| Art | Анатолий Сазонов | Co-Art Director |
| Sound | Андрей Волконский | Original Music Composer |
| Camera | Елена Петрова | Director of Photography |
| Sound | Николай Прилуцкий | Sound Director |
| Sound | Григорий Гамбург | Conductor |
| Visual Effects | Николай Фёдоров | Animation |
| Visual Effects | Татьяна Фёдорова | Animation |
| Visual Effects | Елизавета Комова | Animation |
| Visual Effects | Vadim Dolguikh | Animation |
| Visual Effects | Татьяна Таранович | Animation |
| Visual Effects | Борис Бутаков | Animation |
| Visual Effects | Владимир Крумин | Animation |
| Visual Effects | Геннадий Новожилов | Animation |
| Visual Effects | Василий Рябчиков | Animation |
| Visual Effects | Надежда Привалова | Animation |
| Visual Effects | Игорь Подгорский | Animation |
| Visual Effects | Рената Миренкова | Animation |
| Visual Effects | Konstantine Tchikine | Animation |
| Art | Ольга Геммерлинг | Background Designer |
| Art | Елена Танненберг | Background Designer |
| Art | Галина Невзорова | Background Designer |
| Art | Константин Малышев | Background Designer |
| Art | Татьяна Фёдорова | Assistant Art Director |
| Directing | Галина Андреева | Assistant Director |
| Editing | Валентина Иванова | Editor |
