Guest Stars Son Chang Min as Oh Jong Ki Jin Sun Kyu as Go Man Yong Kim Jin Woo as Kim Soo Hyuk Oh Dae Hwan as Park Moon Ho Kim Jung Woon as Kim Byung Goo Choi Min Soo as Yoon Sam Soo, Commander of the 2nd Company Lee Kwan Hoon as Kwon Jin Chul Kim Dong Gon as Kim Duk Shil Lee Jin Sung as Jo In Kye Shin Hyun Joon as North Korean commissioned officer Jo Sang Wi