Guest Stars Lee Ji Ah as Kang Yoon Hee Go Doo Shim as Byun Yo Soon Song Sae Byuk as Park Gi Hoon Seo Hyun Woo as Section Chief Song Kim Min Suk as Yeo Hyung Gyu Chae Dong Hyun as Assistant Manager Kim Kim Young Min as Do Joon Young Park Ho San as Park Sang Hoon Jang Ki Yong as Lee Gwang Il Jung Jae Sung as Yoon Sang Tae 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 Seo Sang Won as Sang Hoon's Friend Oh Na Ra as Jung Hee Jung Hae Kyun as Park Dong Woon Kwon Na Ra as Choi Yoo Ra Lee Do Hyun as Kwon Shik Lee Young Suk as Chun Dae Hong In as Jong Soo Park Hae Joon as Gyum Duk Kim Young Goo as Cafe Owner Choi Hee Do as Moon Chan Yong