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Светлана Харлап as Seryozha (voice) |
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Всеволод Санаев as Doctor Valeriy Valerianovich (voice) |
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Роман Филиппов as Horseman (voice) |
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Вячеслав Невинный as Cruel dog owner (voice) |
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Евгений Леонов as Seryozha's father (voice) |
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Leonid Kanewski as Elephant trainer (voice) |
| Directing | Владимир Попов | Director |
| Writing | Alexander Kanewski | Writer |
| Directing | Wladimir Pekar | Director |
| Writing | Robert Wikkers | Writer |
| Editing | Наталия Степанцева | Editor |
| Production | Фёдор Иванов | Producer |
| Camera | Людмила Крутовская | Assistant Camera |
| Directing | Лидия Никитина | Assistant Director |
| Art | Сергей Маракасов | Storyboard Artist |
| Art | Дмитрий Анпилов | Background Designer |
| Visual Effects | Рената Миренкова | Animation |
| Visual Effects | Juri Meschtscherjakow | Animation |
| Visual Effects | Марина Рогова | Animation |
| Visual Effects | Анатолий Абаренов | Animation |
| Visual Effects | Олег Комаров | Animation |
| Visual Effects | Валерий Угаров | Animation |
| Visual Effects | Виктор Лихачёв | Animation |
| Art | Пётр Репкин | Art Direction |
| Camera | Кабул Расулов | Director of Photography |
| Sound | Борис Фильчиков | Sound Director |
| Writing | Раиса Фричинская | Script Editor |
| Sound | Евгений Крылатов | Original Music Composer |
