Guest Stars Lee Ji Ah as Kang Yoon Hee Song Sae Byuk as Park Gi Hoon Go Doo Shim as Byun Yo Soon Kim Min Suk as Yeo Hyung Gyu Seo Hyun Woo as Section Chief Song Park Ho San as Park Sang Hoon Kim Young Min as Do Joon Young 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 Park Soo Young as Lee Jae Chul Son Sook as Lee Bong Ae Ahn Seung Kyun as Song Ki Bum Jung Hae Kyun as Park Dong Woon Shin Goo as CEO Jang Lee Young Suk as Chun Dae Jung Young Joo as Jo Ae Ryun Lee Dong Yong as Recruitment Agency Manager