Guest Stars Kang Shin Il as Nam Goo Hyun Kim Tae Hoon as Prosecutor Oh Jae Won Park Jung Hak as Lee Doo Kwang Kim Jung Hak as Detective Park Chang Joon Park Hyo Joon as Yoon Chul Joo Hwang Seung Eon as Yang Yoo Jin Nam Sung Jin as Kim Dong Ho Ahn Byung Kyung as Broker of Contract Killer