Guest Stars Jun Gook Hwan as Kwon Do Hwan Baek Do Bin as Choi Tae Young Jun Mi Sun as Cha In Sook Kim Roe Ha as Jang Se Wook Song Sam Dong as Bong Gu Han Geun Sub as Taekwondo Club Member Im Chae Sun as Thai Gang Leader Jung Suk Yong as Pimp Jung Jae Hoon as Taekwondo Team Leader
