Guest Stars Lee Ji Ah as Kang Yoon Hee Go Doo Shim as Byun Yo Soon Song Sae Byuk as Park Gi Hoon Park Ho San as Park Sang Hoon Kim Young Min as Do Joon Young Kim Min Suk as Yeo Hyung Gyu Seo Hyun Woo as Section Chief Song Chae Dong Hyun as Assistant Manager Kim Jang Ki Yong as Lee Gwang Il Jung Jae Sung as Yoon Sang Tae Jun Gook Hwan as Executive Director Wang Ryu Abel as Jung Chae Ryung Son Sook as Lee Bong Ae Park Soo Young as Lee Jae Chul Ahn Seung Kyun as Song Ki Bum Oh Na Ra as Jung Hee Jung Hae Kyun as Park Dong Woon Seo Sang Won as Sang Hoon's Friend Kwon Na Ra as Choi Yoo Ra Lee Do Hyun as Kwon Shik Shin Goo as CEO Jang Shin Dam Soo as Jung Chang Mo Lee Young Suk as Chun Dae Hong In as Jong Soo Park Hae Joon as Gyum Duk Jung Young Joo as Jo Ae Ryun Choi Hee Do as Moon Chan Yong
