Boris Shcherbakov

Arkadiy Voyvodin

Anatoliy Solonitsyn

Lev Nikolayevich Slivin

Evgeniy Leonov-Gladyshev

Misha

Vladimír Ráž

Josef Vendler

Vítězslav Jandák

Sláveček Žlabíček

Jiří Lír

Engineer

Jitka Zelenohorská

Shop Assistant

Nina Ruslanova

Coordinator

Bohumil Švarc

Chief Engineer

Jorga Kotrbová

Dr. Margarita Aleksandrovna (voice)

Otakar Brousek

Aleksandr Aleksandrovich Borisov (voice)

Vilém Besser

Viktor (voice)