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Михаил Яншин as The Behemoth (voice) / Бегемот |
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Георгий Милляр as Marabu (voice) / Марабу |
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Григорий Шпигель as Doctor (voice) / Доктор |
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Елена Понсова as Pussy-cat (voice) / Тигрица, Кенгуру-почтальон |
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Georgi Wizin as The Wolf, The Giraffe, The Crocodile (voice) / Волк, Жираф, Крокодил |
| Directing | Леонид Амальрик | Director |
| Writing | Владимир Сутеев | Writer |
| Writing | Miloš Macourek | Novel |
| Art | Надежда Привалова | Art Direction |
| Art | Tatjana Sasonowa | Art Direction |
| Sound | Никита Богословский | Original Music Composer |
| Camera | Michail Drujan | Director of Photography |
| Sound | Георгий Мартынюк | Sound |
| Writing | Зинаида Павлова | Script Editor |
| Visual Effects | Iwan Dawydow | Animation |
| Visual Effects | Рената Миренкова | Animation |
| Visual Effects | Владимир Арбеков | Animation |
| Visual Effects | Татьяна Таранович | Animation |
| Visual Effects | Юрий Бутырин | Animation |
| Visual Effects | Лидия Резцова | Animation |
| Visual Effects | Елизавета Комова | Animation |
| Visual Effects | Wadim Dolgich | Animation |
| Visual Effects | Виолетта Колесникова | Animation |
| Visual Effects | Олег Сафронов | Animation |
| Art | Ольга Геммерлинг | Background Designer |
| Art | Вера Валерьянова | Background Designer |
| Art | Natalia Nayashkova | Art Department Assistant |
| Editing | Марина Трусова | Editor |
| Directing | Галина Андреева | Assistant Director |
