Sergei Tseits

Guslya / Znaika (voice, uncredited)

Georgiy Vitsin

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

Mariya Vinogradova

Neznaika / Neighbours (voice, uncredited)

Galina Ivanova

Vintik / Shpuntik (voice, uncredited)

Yuri Khrzhanovsky

Bulka / Ponchik (voice, uncredited)