Guest Stars Choi Byung Mo as Secretary Min Kim Mi Kyung as Head Nurse Kang Soo Min Jang Kwang as Ko Sung Hoon Song Kyung Chul as Doo Chul Moon Ji In as Nurse Song Jung Kyung Ho as Doo Chul's Bodyguard Park Pal Young as Hospital Director Byung Kwon Tae Won as Chief of Security Stephanie Lee as Cynthia Park Bae Hae Sun as Nurse Hwang Cha Soon Bae as Chief Surgeon Shin Jung Suk Yong as Surgeon