Сергей Вечеслов

Jim Ripl

Владимир Гардин

Jack Ripl, his brother

M. Volgina

Claire Ripl, his sister

Анна Чекулаева

Mary Ripl, Jack's wife

Vasiliy Orlov

Charlie, worker

Сергей Мартинсон

Dizer, artist in the music hall

Sergei Minin

Tom, worker

Николай Рыбников

Field Marshal

Павел Полторацкий

Percy Grimm, minister

Вергилий Рэнин

Hamilton Grimm

Nikolay Ablov

Rotterden, banker

Александра Хохлова

Young lady with dolls

Даниил Введенский

(uncredited)

Николай Ярочкин

(uncredited)

Mikhail Doronin

Master (uncredited)

Vladimir Shnejderov

(uncredited)

Иван Юдин

Engineer (uncredited)

Борис Шлихтинг

Guest at the restaurant (uncredited)

Георгий Всеволодов

(uncredited)

Иван Лавров

Butler in the polytechnical school (uncredited)

Николай Городничев

First robot (uncredited)

Татьяна Райт

(uncredited)