Jang Ki-yong

Lee Jang-hyuk

Chae Soo-bin

Jung Da-eun

Krystal Jung

Han Bo-yeong

Lee Woo-je

Lee Jang-hyuk

Park Cheol-min

Team Leader

Kim Mi-kyeong

Jang-hyeok's Mother

Hwang Jeong-min

Nurse

Lee Kyung-young

Security

An Kil-kang

Jang-hyeok's Father

Yu Seon

CEO

Cho Han-cheul

Patient

Jung Hee-tae

Director

Ko Kyu-phil

Resident

Yoon Byung-hee

Patient

Jung Bo-min

Matching Sweatshirt Couple

Kim Yoon-woo

Team Member

Choi Funny

Friend 2

Choi Hyung

[Incheon Juan General Hospital doctor]