Guest Stars Seo Ji Hye as Choi Yun Jin Lee Han Wie as Oh Dong Choon Song Ok Sook as Jung Hwan's Mother Choi Myung Gil as Yoon Ji Sook On Joo Wan as Lee Ho Sung Park Hyuk Kwon as Jo Kang Jae Lee Young Eun as Park Hyun Sun Kim Ji Young as Park Ye Rin Kim Eung Soo as Jung Gook Hyun Park Jung Woo as Presidential Chief of Staff Im Hyun Sung as Seo Dong Hoon Kwon Hyung Joon as Jung Hwan's Family Doctor