Boris Borisov

as Пантелеймон Дмитриевич Кравчук (7 episodes)

as Ryshkov (4 episodes)

as Dybenko

as Вячеслав Поспелов, инженер-сталеплавильщик

as директор завода

as Карпухин

as Князев

as Арнольд Петрович

as Пётр

as Матвей Строгов (8 episodes)

as Борис Николаевич Сухарев (2 episodes)

as студент (17 episodes)