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 Song Kyung Chul as Doo Chul Jung Kyung Ho as Doo Chul's Bodyguard Jung Dong Kyu as Representative Choi Chul Min Kim Ik Tae as Representative Han Teo Sub Park Hyun Sook as Housekeeper Park Hye Soo as Kim So Hyun Min Jin Woong as Lee Sang Chul So Hee Jung as Nun Go In Bum as Chairman Choi Kim Min Chan as Hanshin Group Hacker Choi Min as Chief of Staff