Guest Stars Moon Jae Won as Yoo Moon Hyun Baek Soo Jang as Kim Yong Min Kim Chae Eun as Windy Yoo Ji Yun as CEO Yang Mi Kyung Lee Dal as Security Chief Jang Jun Woon Jong as Senior Officer Jo Min Gun Jun Kwang Jin as Detective Jang Jin Ho Ko Gun Han as Victor Jang In Sub as Detective Choi Sung Eun