Guest Stars Yoon Joo Sang as Oh Hyun Kyu Baek Shin as Manager Hwang 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 Yoon So Yi as Park Tae Hee Jun Jae Hyung as Pyo Jin Hwan Kim Hyung Gon as Song Young Min Park Jung Won as Park Choon Sung Lee Bo Hee as Jung Soo Min Ahn Seung Hoon as Kwon Young Choon Jo Sung Ha as Ha Seung Jin Lee Jae Hoon as NSS Agent Kang Shin Hyo as Jang Chul Go Yoon as Yoo Jin Kwon Byung Gil as Wi Sang Chul