Episode 6 S01 E06

Aleksey Bardukov (as Sergei Popov) Tatyana Cherdyntseva (as Ekaterina Mazurova) Kirill Zhandarov (as Valera Zigulin) Dmitriy Podnozov (as Mazurov) Yekaterina Shumakova (as Valya Mazurova) Aleksandr Sayutalin (as Marfin) Olga Onishchenko Gennadiy Alimpiev (as Gaponov) Aleksandr Shpynyov (as Shmakov) Arkadiy Koval (as Psihiatr) Andrey Terentyev (as Mahno) Igor Grabuzov (as Safronov) Alexey Vedernikov (as Kostya) Evgeniy Serzin (as Kaschey) Alexandr Aravushkin (as Otec Polyakova) Andrey Nekrasov (as Pomoshnik Marfina)

detective past serial killer