Ольга Guest cast, played by Артём Цуканов Episode 1x20: Серия 20 (Oct 5, 2016) Episode 2x06: Серия 26 (Sep 11, 2017) Episode 2x08: Серия 28 (Sep 13, 2017) Episode 2x10: Серия 30 (Sep 18, 2017)