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)