Boris Borisov

as Пантелеймон Дмитриевич Кравчук

as Ryshkov

as Dybenko

as Вячеслав Поспелов, инженер-сталеплавильщик

as директор завода

as Карпухин

as Князев

as Арнольд Петрович

as Пётр

as Матвей Строгов

as Борис Николаевич Сухарев

as студент