Sergei Tseits

Character: Guslya / Znaika (voice, uncredited)

Georgiy Vitsin

Character: Dr. Pilyulkin / Tyubik / Toropyzhka (voice, uncredited)

Mariya Vinogradova

Character: Neznaika / Neighbours (voice, uncredited)

Galina Ivanova

Character: Vintik / Shpuntik (voice, uncredited)

Yuri Khrzhanovsky

Character: Bulka / Ponchik (voice, uncredited)

Galina Novozhilova

Character: Girl (voice, uncredited)