Episode 4 S01 E04

Joo Won (as Kim Tae-hyeon) Kim Tae-hee (as Han Yeo-jin) Jo Hyun-jae (as Han Do-joon) Chae Jung-an (as Lee Chae-young) Jung Woong-in (as Chief Lee) Stephanie Lee (as Cynthia Park) Jo Bok-rae (as Park Tae-yong) Park Hye-su (as Kim So-hyeon) Kang Ji-woo (as Han Yeo-jin (child)) Choi Shang (as Sung-Hoon) Jeong Dong-gyoo (as Representative Choi) Choi Byung-mo (as Han Do-Joon's secretary) Kim Mi-kyeong (as Head Nurse) Ahn Se-ha (as Man-Sik) Moon Ji-in (as Nurse Song) Bae Hae-seon (as Nurse Hwang) Jang Seo-kyung (as [Intern])

surgeon revenge romance criminal power struggle medical drama romantic drama suspenseful thriller chaebol exciting