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Aleksandr Grave as May / May Not (voice) |
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Klara Rumyanova as Kolya (voice) |
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Elena Ponsova as Bobik / Old woman with dog / Woman with bucket (voice) |
| Directing | Lev Milchin | Director |
| Writing | Evgeniy Agranovich | Writer |
| Art | Grazhina Brashishkite | Art Direction |
| Sound | Mieczysław Weinberg | Original Music Composer |
| Camera | Mikhail Druyan | Director of Photography |
| Sound | Boris Filchikov | Sound Director |
| Editing | Lidiya Kyaksht | Editor |
| Visual Effects | Galina Barinova | Animation |
| Visual Effects | Boris Butakov | Animation |
| Visual Effects | Vladimir Karp | Animation |
| Visual Effects | Mariya Motruk | Animation |
| Visual Effects | Leonid Nosyrev | Animation |
| Visual Effects | Anatoliy Petrov | Animation |
| Visual Effects | Tatyana Pomerantseva | Animation |
| Visual Effects | Gennadiy Sokolskiy | Animation |
| Visual Effects | Olga Orlova | Animation |
| Visual Effects | Konstantin Chikin | Animation |
| Visual Effects | Lidiya Nikitina | Animation |
| Visual Effects | Nikolay Erykalov | Animation |
| Art | Dmitriy Anpilov | Background Designer |
