- Vladimir Gribkov
- Professor
- A. Glushchenko
- Grandad
- Anna Komolova
- Boy
- Georgiy Vitsin
- Nikolay Zakharov - father
- Rina Zelyonaya
- Giatsinta
- Vera Orlova
- Olga 'Lyalya' Zakharova - mother
- Larisa Pashkova
- Liliana
- Tatyana Pelttser
- Tyulpina
- Elena Ponsova
- Fairy Watchman in the Land of Happiness
- Vladimir Lepko
- 1st head of the Serpent Gorynych / Mediocre poet (voice)
- Sergey Martinson
- 2nd head of the Serpent Gorynych
- Anatoliy Papanov
- 3rd head of the Serpent Gorynych
- Valentina Tumanova
- Robot Malyutka
- Georgi Tusuzov
- Reproducer
- Gennadiy Dudnik
- Robot lyricist
- Anastasiya Georgievskaya
- 4th head of the Serpent Gorynych
