Guest Stars Lee Ji Ah as Kang Yoon Hee 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 Chae Dong Hyun as Assistant Manager Kim 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 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 Seo Sang Won as Sang Hoon's Friend Jung Hae Kyun as Park Dong Woon Kwon Na Ra as Choi Yoo Ra Lee Do Hyun as Kwon Shik Shin Dam Soo as Jung Chang Mo Park Hae Joon as Gyum Duk
