Sergey Umanov

as Владимир Шульгин (10 episodes)

as Denis's dad

as профессор (8 episodes)

as film director Ivan Alekseevich

as Лисицын (8 episodes)

as Дмитрий Тростянецкий (8 episodes)

as Petr

as Kostya (8 episodes)

as Evsey, Muravyev-Apostol's batman

as KGB's curator

as Aleksandr Matveyevich Stasyulevich, praporschik

as Gennadiy Vanyushin (1 episode)

as Duty Officer (uncredited)

as Mityai (4 episodes)

as Shesterka