Casting
Николай Охлопков
Foreman Zakharov
Виктор Станицын
Engineer Cline, American
Александр Гейрот
Engineer Petrov
Софья Яковлева
Translator
Василий Ковригин
Chief of the constitution site
Сергей Поляков
Vasyutka, stoker
Фёдор Курихин
Machinist
Pavel Olenev
Perepyolkin
Николай Плотников
Chairman of the committee (uncredited)
Ielena Maksimova
Worker woman (uncredited)
Татьяна Окуневская
Marusya (uncredited)