La clef

Dirigida por: Pavel Chukhray

Reparto principal: Anatoliy Kuznetsov (Nikolay Yatsenkov) · Aleksandr Kalyagin (Semyon Sidorovich) · Anatoliy Romashin (Sergey Fedosyev) · Venyamin Smekhov (Aleksandr Braun) · Aleksey Serebryakov (Zagryadskiy)