Lee Ik-jun

Ahn Jung-won

Kim Jun-wan

Yang Seok-hyung

Chae Song-hwa

Jang Gyeo-wool

Chu Min-ha

Lee Ik-sun

Lee Woo-joo

Jeong Ro-sa

Do Jae-hak

Myung Eun-won

Heo Sun-Bin

Yong Seok-Min

Bong Kwang-Hyeon

Song Su-Bin

Jang Hong-do

Im Chang-Min

Jang Yoon-bok

Jo Young-Hye

Ju Jeon

Ju Jong-su

ER Nurse

Hwang Jae-Shin

Min Ki-Jun

Jong Se-Hyuk

Eun Seon-Jin

Han Seung-Ju

So Yi-Hyun

Han Hyun-Hee

Ham Deok-Ju

Kim Jae-Hwan

Lee Young-Ha

Cheon Myung-Tae

Guk Hae-Sung

Kwon Sun-Jeong

Lee Ji-hun

Choi Seong-yeong

An Chi-yong

Auntie Wang

Bae Jun-Hee

Yoon Shin-hye

Hwang Bae-Jin

Kang So-Ye

Kim Da Young

Yoon Ga Hee

Nam Yoo Ri

Hwang Ji-Woo

Choi Se-Hoon

Kim Geon

[Shin Hye's mother]

Seo Yoon Hee

Kim Tae-Yeon

[Mother]

[Chief neurosurgeon]

Pregnant Wife

Pregnant Wife's Husband

Hwang Du-na

Colorectal Surgeon

Eun-ji's Mother

Jang Ga-eul

Hwang Min-jung

Peter

Ok Gang-nam

Jang Jong-gil

Jong-gil's Son

Jong-gil's Wife

Sim Mi-jin

Song Hwa's Ex-boyfriend

Baby Jae-won's Mother

Jae-hun's Father

Ik-jun's Ex-girlfriend

Surgical Ward Nurse

Ji Ah's Father

Ji Ah's Mother

Mr. Jung

Kim Hyun-su

An Seong

Min-ha's Mother

So-mi

Dong Ju

Chang Hak

Chang Hak's Wife

Kim Soo-jung

Soo-jung's Husband

Yoo Gyung-jin

Gyung-jin's Mother

Patient's Daughter (Voice)

Lee Gyung-mi

Min-chan's Father

Chu Cheol-woo

Du Na's Mother

Pediatrician

Sun Du-ho

Sun Seong-hui

Jang Young-seok

Seung-chae

PD Song

Brain Cancer Patient

Electrician

Nurse

Ju-hwan's Mother

Bit-na's Mother

Eun-ah's Mother

Patient's Relative

Min-young's Mother

Jung-won's Eldest Sister

Jung-won's Second Eldest Sister

Jung-won's Second Eldest Brother

KWMC Resident

Gal Ba-ram

Park Jeong-su

Noh Jin-hyeok

Han Seung-hyeok

Gong Hyeong-woo

Doctor

Upset Patient

Patient

Patient's Son

Heart Patient

Neurosurgeon

Jung-hu's Mother

Ba-ram's Husband

Patient's Daughter

Jeong-su's Guardian

Sung-hyuk's Mother

Patient Next to Ba-ram

Won Jun

Dr. Tae In

Jung Ho-jun

Jung Su-beom

Jung Eun-bin

Yuk Hye-jung

Yuk Hee-gwan

Hee-dong

Su-bum's Wife

Hee-gwan's Wife

Chan-hyung's Mother

Chan-hyeong's Grandmother

Jae-hun / Jae-yong

Priest

Middle-age Female Staff

Teen Girl

Teen Girl's Mother

Shim Yeong-ho

Mother in Labor

Foreign Patient's Co-worker

Yeong-ji's Mother

Cervix Patient's Husband

Waitress

Su-beom's Wife

Heart Procurement Team 2

Patient

Chang-mo's Mother

Marathon Announcer (voice)

Ji-hyun's Grandpa

Paramedic

Oh Jae-il

Jang Hun's Wife

Son of Patient

Kim Jae-young

Bin

Go Young-min

Detective

Social Worker

Tae-jin's Father

Gun-hee's Father

Gun-hee's Mother

Jae-young's Husband

Thoracic Surgery Doctor

Shin Mi-jin

Worried Mother of Patient

Cervix Patient's Husband

Shop Owner's Wife

Phoenix Shop Owner

Chang-mo's Father

Jo Moon-jung

Choe Jung-won

Jung-won's Wife

Pediatric Surgery Nurse

Visitor

Doctor

Patient

Patient Next to Painkiller Patient

Jae-young's Husband

Jung-won's Daughter

Oh Yu-min

Shin Mo-rin

Yu-min's Father

Tae-hui's Father

Tae-hui's Mother

Aneurysm Patient

Yoon Bok's Boyfriend

Neuropatient

Aneurysm Patient's Dad

Aneurysm Patient's Mom

Young-ji

Kim Hae-beom

Hong Jeong-ho

Interpreter

Young-ji’s Nurse

Hae-beom's Aunt

Nurse

Im Jang Hun

Chang Hak's Father

Chang Hak's Mother

Chang Hak's Brother

Baby Chae Yun's Father

Baby Chae Yun's Mother

Child Patient in Elevator

Chang Hak's Sister-in-law

Stillbirth Mother

Ko Jung-min

Ji-hyun

Han Seung-hui

Patient

Attorney

Ji-hyun's Father

Ji-hyun's Mother

Cirrhosis Patient

Jung Min's Father

Cha Mi-kyung

Astrocytoma Patient

Cirrhosis Patient's Wife

Cirrhosis Patient's Mother

Neurosurgery Patient

Brain Hemorrhage Patient's Daughter

Astrocytoma Patient's Wife

Yeom Se-hee

Stroke Patient

Chae-eun's Mother

Yeon-woo's Mother

Kim U-jae

Kim Jang Ho

Park Seung-won

Nurse

Seung-won's Mother

Seung-won's Father

Gyung-jin's Father

Restaurant Waitress

Ha Yul

Cho Seon-ho

Yoo Han-yang

Son Chan-gyu

Kim Hyeong-jin

Baek Hyeong-do (voice)

Doctor

Assemblyman

Heart Patient

Ha-yul's Mother

Oncologist Surgeon

Heart Patient's Wife

Assemblyman's Aide

Ye-rim's Mother-in-law

Impatient Heart Patient

Impatient Heart Patient's Husband

Recovered Cancer Patient

Recovered Cancer Patient's Son

Ba Da

So Yeon

Fellow

Doctor

Doctor

Ba-da's Mother

Chae-eun

Jong-seop's Son

Physical Therapist

ASD patient

Seizure Woman

Ga Ram's Mother

Bile Duct Patient

Son of Dr. Yang Seok-hyeong's Patient

Boy Patient's Mother

Transfer PPH Patient's Husband

Chang-min's Mother

Nurse

Surgical Ward Nurse

Se Ho

Ba-da's Father

Eun-ji's Father

Ru-bin's Father

Patient from Jinhae

Husband from Jinhae

Choi Eun-suk

Eun-suk's Husband

Kim So-young

Patient

Cafe Cashier

Patient's Wife

Du Na's Father

Ik-jun's Professor

So-young's Mother

Chang-min's Father

So-young's Husband

So-young's Mother-in-law

Han Jun

Paramedic

Jun's Mother

Seong-ju's Father

Seong-ju's Mother

Seong-ju's Brother

Security Guard

Preterm Baby's Mother

Dr. Lee Ik-jun's Patient

Song-hwa's Mother (voice)

Suk-hyung's Patient

Brain Tumor Patient

Transfer PPH Patient

Brain Tumor Patient's Son

Brain Tumor Patient's Daughter

Ko Ju Hyeong

Shin Sung-eui

Nurse

Doctor

Doctor

Min Sol's Mom

Pregnant Nurse

OB-GYN Fellow

Table Tennis Umpire

Dr. Shin's Teammate

Orthopedics Team Doctor

Nuclear Medicine Professor

Kang Chan-dong

Intern

Intern

Doctor

Doctor

Pediatrics Doctor

Chan-dong's Friend

Ki Eun-mi

An Sang-mo

Sang-mo's Son

Sang-mo's Son

Sang-mo's Wife

Ho-jung's Sister

Ho-jung's Mother

Sun Chun-sik's Family Member

Bae Jong-seop

Choi Eun Dam

Doctor

Pediatrics Fellow

Seo-joo's Husband

Bae Jong-sup's Wife

Seung-chae's Mother

Bae Jong-sup's Mother

Brain Hemorrhage Patient's Son

Brain Hemorrhage Patient's Son

Brain Hemorrhage Patient's Daughter

ASD Patient's Daughter

Ju Hyeong 's Wife

Sim Yeong-su

Jae-min

Ye-rim's Husband