Сергей Цейц
— Guslya / Znaika (voice, uncredited)
Георгий Вицин
— Dr. Pilyulkin / Tyubik / Toropyzhka (voice, uncredited)
Maria Vinogradova
— Neznaika / Neighbours (voice, uncredited)
Галина Иванова
— Vintik / Shpuntik (voice, uncredited)
Юрий Хржановский
— Bulka / Ponchik (voice, uncredited)
Галина Новожилова
— Girl (voice, uncredited)