Kirill Ulyanov

as Ivan Lapshin

as Provodnik

as Берзин (1 episode)

as Shubin's assistant

as криминалист Сергей Рыков (16 episodes)

as regional official

as clerk at a publishing house (2 episodes)

as Garik

as Dichter

as Marksen

as Assistant

as Tit Kuzmich

as Pyotr Andreevich (attorney) (4 episodes)

as Professor