Guest Stars Son Chang Min as Oh Jong Ki Kim Jin Woo as Kim Soo Hyuk Oh Dae Hwan as Park Moon Ho Choi Min Soo as Yoon Sam Soo, Commander of the 2nd Company Nam Bo Ra as Kim Soo Hee Lee Kwan Hoon as Kwon Jin Chul Kim Soo Hwan as Woo Bum Jin Kim Dong Hyun as Jang Doo Shik Jo Wan Ki as Park Hong Ki Lee Jin Sung as Jo In Kye Kim Gun as Lee Joo Hwan