Boris Babochkin

Rodionov the son, an engineer

Tamara Makarova

Kovaleva

Nikolai Cherkasov

Rodionov the father, a worker

Aleksandr Khvylya

Pronin, an engineer

Aleksandr Khvylia

Pronin, an engineer

Vasilii Zaichikov

Party Committee Secretary

Petr Aleinikov

Grisha, a driver

Boris Blimov

Bondarets, a sailor

Pyotr Kirillov

Krasnosheev

Nikolai Dubinskii

Vlasov

N. Mitrushenko

Serezhka