We don't have a biography for Александр Михайлович Песюн, следователь yet. Hang in there, or go ahead and contribute one.
Ольга Guest cast, played by Олег Тополянский Episode 1x06: Серия 06 (Sep 12, 2016) Episode 1x07: Серия 07 (Sep 13, 2016) Episode 2x02: Серия 22 (Sep 4, 2017) Episode 2x03: Серия 23 (Sep 5, 2017) Episode 2x04: Серия 24 (Sep 6, 2017) Episode 2x08: Серия 28 (Sep 13, 2017) Episode 2x12: Серия 32 (Sep 20, 2017) Episode 4x07: Серия 63 (Sep 8, 2020)