Police Unit 38 Guest cast, played by Jo Sun Joo Episode 1x01: Episode 1 (Jun 17, 2016) Episode 1x02: Episode 2 (Jun 18, 2016) Episode 1x03: Episode 3 (Jun 24, 2016) Episode 1x05: Episode 5 (Jul 1, 2016) Episode 1x06: Episode 6 (Jul 2, 2016) Episode 1x07: Episode 7 (Jul 8, 2016) Episode 1x12: Episode 12 (Jul 23, 2016)