Yong Pal

Oh Jin-suk

Director

Joo Won

Kim Tae-hyeon

Kim Tae-hee

Han Yeo Jin

Hyeon-jae Jo

Han Do-joon

Jeong-an Chae

Lee Chae-young

Jeong Woong-in

Chief Surgeon Lee

Kim Mi-Kyung

Nurse

Na-ra Oh

ICU nurse

Seung-mok Yoo

Detective Lee

Byung Mo Choi

Chief Secretary Min

Jang Gwang

President Go

Myung-Ryul Nam

Chae-young's Father

Hyeon-suk Park

Ms. Lee

Bo-Jung Kim

Kim Yeong-mi

Seo-Kyung Jang

Intern

Yoon Chan Kim

Sang Chul's senior

Jiyeon Shin

Nurse

Stephanie Lee

Cynthia

Ho-Chang Kim

Yeo-jin's subordinate

Jang Hyeok-rin

Writer