Guest Stars Jung Ho Bin as Kang Chul Hwan Yoo Dong Geun as Kwon Yong Gwan Sean Dulake as Andy Do Ye Sung as Jung Kyung Won Oh Yoon Ah as Oh Sook Kyung Lee Ji Hyun as NTS Staff Kim Seung Woo as Park Chul Young Oh Chang Suk as Lee Dong Hun Kim Yoon Sung as Min Goo Cha Do Jin as Oh Dae Shik Ahn Jin Kyung as Athena Operative Park Yong Soo as Hwang Ho Young Arnold Hong as Suk Joon Jung Man Shik as Jae Hyuk Kim Yoon Tae as Jerome Lee Han Sol as Young Min Max Changmin as Choi Tae Hyun Lee Ho Sung as Philip
