Guest Stars Go Bo Kyul as Yoon Sung Duk Kim Won Hae as Yoon Suk Ho Hwang Young Hee as Madam Kim Shin Jae Ha as Yoon Ki Sung Oh Eui Shik as Hong Hae Sung Park Sun Im as Jung Jum Hyo Lee Ji Hoon as Hong Nan Pa Han Eun Seo as Han Ki Joo Kim Myung Soo as Kim Sung Gye Jung Moon Sung as Jo Myung Hee