The Gang Doctor:Yong Pal

주원

Kim Tae-hyeon

Kim Tae-hee

Han Yeo-jin

조현재

Han Do-joon

채정안

Lee Chae-young

정웅인

Chief Lee

Stephanie Lee

Cynthia Park

조복래

Park Tae-yong

박혜수

Kim So-hyeon

Kang Ji-woo

Han Yeo-jin (child)

Choi Shang

Sung-Hoon

정동규

Representative Choi

최병모

Han Do-Joon's secretary

김미경

Head Nurse

안세하

Man-Sik

Moon Ji-in

Nurse Song

배해선

Nurse Hwang

장서경

[Intern]

하수호

Kyeong Ho [Team lead]