Четыре визита Самюэля Вульфа

Boris Livanov

Dick Arrowsmith

Boris Svetlov

Layons

Maksim Shtraukh

Samuel Wolfe

Andrei Abrikosov

Engineer Nikitin

Sergei Tsenin

Sazonov

Viktor Stanitsyn

Bill Steer

Oswald Glazunov

Rector (uncredited)

Vera Maretskaya

Comrade Olga

Vladimir Uralskiy

Gostev

Dmitriy Kara-Dmitriev

Bistayev

Aleksey Dolinin

Gaydar

Sergey Tikhonravov

Garreth

Leonid Kulakov

Rakitin

N. Golitsyna

Ethel

Ivan Lavrov

Professor (uncredited)