A. Genin
Nahum Beychik, inventor
Василий Бокарев
Surkov, master
Кузьма Ястребецкий
Lopatin
Александр Дулетов
Kuzma, Surkov's son
Николай Акимов
Factory secretary
Ye. Bondina
Lopatina
Т. Соколовская
Nadya
F. Tarasov
Worker
S. Stepanov
V. Snezhinskaya
(uncredited)
Viktor Arkasov
Worker (uncredited)
Иван Мутанов
