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 Han Wie as Park Sung Chul Kim Young Ae as Choi Jin Hee Lee Ji Hyun as NTS Staff Lee Jung Gil as Jo Myung Ho Oh Chang Suk as Lee Dong Hun Kim Seung Woo as Park Chul Young Kim Yoon Sung as Min Goo Yoo Ha Jin as NTS Staff Cha Do Jin as Oh Dae Shik Ahn Jin Kyung as Athena Operative Park Yong Soo as Hwang Ho Young Son Ji Hoon as Hong Jin Suk Jung Man Shik as Jae Hyuk Kim Yoon Tae as Jerome Park Chul Min as Jang Ki Suk
