Nikolai Okhlopkov
Foreman Zakharov
Viktor Stanitsyn
Engineer Cline, American
Alexander Geirot
Engineer Petrov
Sofya Yakovleva
Translator
Vasiliy Kovrigin
Chief of the constitution site
Sergey Polyakov
Vasyutka, stoker
Fyodor Kurikhin
Machinist
Pavel Olenev
Perepyolkin
Nikolai Plotnikov
Chairman of the committee (uncredited)
Elena Maksimova
Worker woman (uncredited)
Tatyana Okunevskaya
Marusya (uncredited)
