Тамара Дмитриева

Boy (voice)

Клара Румянова

Girl (voice)

Анастасия Георгиевская

Baba Yaga (voice)

Александр Граве

Pyotr Ivanovich (voice)

Анатолий Папанов

Street sweeper (voice)

Aleksey Polevoy

Robinson (voice)

Agar Vlasova

The ink blob (voice, uncredited)