Doctor John

Ji Sung

Cha Yo-Han

Lee Se-young

Kang Shi-Young

Lee Kyoo-hyung

Son Seok-Ki

Oh Hyun-joong

Kim Won Hee

Kim Hye-eun

Tae-Kyung

Shin Dong-mi

Chae Eun-Jung

Jeon No-min

Kang Yi-Soo

Uhm Hyo-seop

Kang Yi-Moon

Oh Seung-hyun

Min Joo-Kyung

Jung In-gi

Jung-Nam

Hwang Hee

Lee Yoo-jun

Jung Min-ah

Kang Mi-Rae

Cheon Young-min

Lee Da-hae

Kwon Hwa-woon

Heo Joon

Son San

Hong Yun Jin

Lee You-mi

Na Kyung Ah

Kim Yeong-hun

Han Myung Oh

Jeong Jae-seong

Kwon Suk

Yun Ju-sang

Lee Won Gil / Lee Won Gil [Former Minister of Health and Welfare]

Jung Kyung-soon

Yoo Joon's mother

Park Jin-young

Nurse

Kim Mi-hye

Questioner

Noreen Joyce Guerra

Flight attendant

Moon Hak-jin

Kim Jung Ho [3rd-year Resident Ophthalmology]

Jang Hee-soo

Professor of Anesthesiology and Pain Medicine

Yoon Chan-young

Lee Ki Suk (A CIPA patient)

Lim Dong-jin

Shim Joon Chul

Go Yong-hwa

Lee Ki Suk's mother

Lee Yo-seong

Cha Yo Han's father

Park Si-wan

Cha Yo Han (child)

Kim Seung-hyun

Inmate

오유나

Yoo Ri Hye [former actress who suffers from neuroblastoma]

Jung Ji-hoon

Min Sung [Yoo Ri Hye's son]

So Hee-jung

Yoo Ri Hye's sister

Son Hee-soon

Woman at the intensive care unit

Choi Yoon Joon

[Patient looking only for Cha Yo Han]

최은후

Joo Hyung Woo's son

Cho Si-yeon

Joo Hyung Woo’s daughter

Park Jeong-eon

Chae Eun Jung's older sister

Im Byeong-gi

‘Death talk’ discussion leader