Guest Stars Lee Ji Ah as Kang Yoon Hee Chae Dong Hyun as Assistant Manager Kim Kim Young Min as Do Joon Young Seo Hyun Woo as Section Chief Song Go Doo Shim as Byun Yo Soon Kim Min Suk as Yeo Hyung Gyu Song Sae Byuk as Park Gi Hoon Park Ho San as Park Sang Hoon 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 Park Soo Young as Lee Jae Chul Son Sook as Lee Bong Ae Oh Na Ra as Jung Hee Seo Sang Won as Sang Hoon's Friend Jung Hae Kyun as Park Dong Woon Kwon Na Ra as Choi Yoo Ra Shin Goo as CEO Jang Shin Dam Soo as Jung Chang Mo Lee Young Suk as Chun Dae
