Vera Yanukova

Sonka

Nadezhda Yermakovich

Margarita Ivanovna

Mariya Goricheva

Engineer Sadovskiy's mother

Mikhail Astangov

Kostya Kapitan

Борис Добронравов

Director Gromov

Aleksandr Cheban

Big official

Михаил Яншин

Maks

Boris Tamarin

Engineer Yuriy Sadovskiy

Геннадий Мичурин

Botkin

Pavel Olenev

Sasha

Константин Назаренко

Limon

Александр Антонов

Vanya (uncredited)

Vasili Bokarev

Camp superintendent (uncredited)

Марк Бернес

Convict (uncredited)

Константин Градополов

Pyzhov (uncredited)

Yevgeni Chervyakov