Boris Babochkin
Rodionov the son, an engineer
Tamara Makarova
Kovaleva
Nikolai Cherkasov
Rodionov the father, a worker
Aleksandr Khvylya
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