Kadro (18)
Joo WonKim Tae-hyeon
Kim Tae-heeHan Yeo-jin
Jo Hyun-jaeHan Do-joon
Chae Jung-anLee Chae-young
Jung Woong-inChief Lee
Stephanie LeeCynthia Park
Jo Bok-raePark Tae-yong
Park Hye-suKim So-hyeon
Kang Ji-wooHan Yeo-jin (child)
Choi ShangSung-Hoon
Jeong Dong-gyooRepresentative Choi
Choi Byung-moHan Do-Joon's secretary
Kim Mi-kyeongHead Nurse
Ahn Se-haMan-Sik
Moon Ji-inNurse Song
Bae Hae-seonNurse Hwang
Jang Seo-kyung[Intern]
Ha Soo-hoKyeong Ho [Team lead]