4. Episode 4 (2015)
Hae-in tries to get revenge on Cha Se-yoon and threatens to kill everyone in the hospital in the process.
Release date: 2015-08-13
Season number: 1
Episode number: 4
Runtime: 59 minutes
Cast
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]
Ha Soo-ho
as Kyeong Ho [Team lead]