Liliya Gritsenko

Stepan (voice)

Galina Novozhilova

Tanya, his sister (voice)

Евгения Морес

Volodya, their neighbor (voice)

Mikhail Yanshin

Boatswain Mikhal Mikhalych (voice)

Эраст Гарин

Toy clown / voice from radio (voice, uncredited)