Guest Stars Tang Joon Sang as Keum Eun Dong Kim Sun Young as Na Wol Suk Lee Shin Young as Park Kwang Bum Yoo Soo Bin as Kim Joo Muk Yang Kyung Won as Pyo Chi Soo Cha Chung Hwa as Yang Ok Keum Kim Jung Nan as Ma Young Ae Oh Man Suk as Jo Chul Kang Park Hyoung Soo as Yoon Se Hyung Go Kyu Pil as Hong Chang Shik Jang So Yun as Hyun Myung Soon Hwang Woo Seul Hye as Do Hye Ji Park Myung Hoon as Ko Myung Suk Kim Young Min as Jung Man Bok Yoon Ji Min as Go Sang Ah Bang Eun Jin as Han Jung Yun Jang Hye Jin as Ko Myung Eun Nam Kyung Eup as Yoon Jeung Pyung Choi Dae Hoon as Yoon Se Joon Im Chul Soo as Park Soo Chan Hong Woo Jin as Chun Soo Bok Kwon Dong Ho as Purchasing Manager Jun Gook Hwan as Ri Chung Ryul Oh Han Kyul as Jung Woo Pil Goo Joon Woo as Nam Shik Park Seung Joon as Ho Young Kang Young Eun as Eun Byul Bae Sung Il as Park Sung Gook Yoo Jung Ho as NIS Section Chief Kim Park Ki Ryoong as NIS Executive Han Dong Ho as NIS Agent Cha Sung Je as Beggar Boy Son Dong Hwa as NIS Agent Song Ho Soo as NIS Agent Ahn Se Bin as Beggar Boy's Sister Choi Ji Woo as Herself Lee Soo Yong as Ryu Jung Min Choi Seung Yoon as NIS Agent Yong Jin as Market Passerby