Guest Stars Yoon Joo Sang as Oh Hyun Kyu 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 Kim Hyung Gon as Song Young Min Jun Jae Hyung as Pyo Jin Hwan Park Jung Won as Park Choon Sung Kim Ji Min as Jamie Fueki Yuko as Sato Eriko / Rie Ahn Seung Hoon as Kwon Young Choon Jo Sung Ha as Ha Seung Jin Go Yoon as Yoo Jin