Guest Stars Kim Won Hae as Kim Gye Chul Lee Yoo Joon as Jung Hun Gi Jang Hyun Sung as Kim Bum Joo Jung Hae Kyun as Ahn Chi Soo Lee Do Yup as Kim Jung Jae Jung Han Bi as Oh Yoon Seo Lee Sang Yub as Kim Jin Woo Seo Eun Ah as Yoo Seung Yun Choi Ji Hoo as Young Jin Woo Lee Chae Kyung as Jin Woo's Mother