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Леонид Пирогов as The Crocodile (voice) (uncredited) / Крокодил |
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Осип Абдулов as Moydodyr (voice) (uncredited) / Мойдодыр |
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Юлия Юльская as The Dirty Boy (voice) (uncredited) / мальчик-грязнуля |
| Directing | Иван Иванов-Вано | Director |
| Writing | Иван Иванов-Вано | Writer |
| Writing | Корней Чуковский | Story |
| Directing | Artur Bergengrin | Assistant Director |
| Art | Александр Трусов | Art Direction |
| Directing | В. Свешникова | Assistant Director |
| Sound | Никита Богословский | Original Music Composer |
| Visual Effects | Михаил Ботов | Animation |
| Visual Effects | Борис Дёжкин | Animation |
| Visual Effects | Фаина Епифанова | Animation |
| Visual Effects | Валентин Лалаянц | Animation |
| Visual Effects | Борис Петин | Animation |
| Visual Effects | Лев Позднеев | Animation |
| Visual Effects | Лидия Резцова | Animation |
| Sound | Серафим Ренский | Sound Director |
| Camera | Д. Каретный | Director of Photography |
| Camera | Пиама Алипова | Director of Photography |
