Cast Credits Police Unit 38 (2016) Guest starring as Sa Jae Sung Episode 1x02: Episode 2 (Jun 18, 2016) KBS Drama Special (2010) Guest starring as Park Chul Ho Episode 2014-11-09: The Girl Who Became a Photo (Nov 9, 2014) Guest starring as Yoon Ki Hyun Episode 2017-09-03: If We Were a Season (Sep 3, 2017)