Yong Pal

Kim Mi-kyeong

Head Nurse

Joo Won

Kim Tae-hyeon

Kim Tae-hee

Han Yeo-jin

Jo Hyun-jae

Han Do-joon

Chae Jung-an

Lee Chae-young

Jung Woong-in

Chief Lee

Stephanie Lee

Cynthia Park

Jo Bok-rae

Park Tae-yong

Park Hye-su

Kim So-hyeon

Kang Ji-woo

Han Yeo-jin (child)

Choi Shang

Sung-Hoon

Jeong Dong-gyoo

Representative Choi

Choi Byung-mo

Han Do-Joon's secretary

Ahn Se-ha

Man-Sik

Moon Ji-in

Nurse Song

Bae Hae-seon

Nurse Hwang

Jang Seo-kyung

[Intern]

Ha Soo-ho

Kyeong Ho [Team lead]

Oh Jin-seok

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Kang Sook

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