Guest Stars Jang Hyun Sung as Jang Tae Ho Chun Ho Jin as Baek In Soo Lee Shi Un as Ji Se Hoon Tae In Ho as Seo Ki Chul Kim Bo Mi as Park Song Yi Kim Byung Se as Cha Myung Suk Choi Ah Jin as Son Jung Hye Oh Hee Joon as Yang Sang Shik Han Ji Sun as Choi Sul Ah Oh Na Ra as Sharon Kim Kim Hyun Jin as Jang Chul Joon Kang Shin Il as Im Suk Hoon Shin Joo Ah as Pi Eun Soo David McInnis as Maj. Stanislav Petrov Kim Yeo Jin as Dong Hyun's Wife Lee Do Yup as Choi PD Kim Min Young as Woon Gwang's Fan