Guest Stars Yoon Joo Sang as Oh Hyun Kyu Kim Seung Woo as Pak Chul Young Lee Jung Gil as Jo Myung Ho Baek Sung Hyun as Kang Byung Jin David McInnis as Ray Kim Il Woo as Kang Chul Hwan Cha Hyun Jung as Yoo Hae Young Lee Seung Hak as Kim Ji Hun Kim Hyung Gon as Song Young Min Kim Ji Min as Jamie Yoon Joo Hee as Lee Soo Jin Lee Bo Hee as Jung Soo Min Lee Jae Hoon as NSS Agent Jung Suk Won as Young Baek San Kim Jong Goo as Goo Bon Gil Lee Na Kyung as Young Soo Min