Николай Охлопков

Foreman Zakharov

Виктор Станицын

Engineer Cline, American

Alexander Geirot

Engineer Petrov

Софья Яковлева

Translator

Василий Ковригин

Chief of the constitution site

Sergey Polyakov

Vasyutka, stoker

Фёдор Курихин

Machinist

Pavel Olenev

Perepyolkin

Николай Плотников

Chairman of the committee (uncredited)

Елена Максимова

Worker woman (uncredited)

Татьяна Окуневская

Marusya (uncredited)

Александр Мачерет