Guest Stars Choi Byung Mo as Secretary Min Oh Na Ra as Nurse, ICU Kim Mi Kyung as Head Nurse Kang Soo Min Jang Kwang as Ko Sung Hoon Jung Dong Kyu as Representative Choi Chul Min Yoo Seung Mok as Detective Lee Kim Ik Tae as Representative Han Teo Sub Jo Hwi as Detective Kim Park Hyun Sook as Housekeeper Kwon Tae Won as Chief of Security Min Jin Woong as Lee Sang Chul Kim Yong Woon as Scarface Ha Soo Ho as Teamleader Kyung Ho