조정석

Lee Ik-jun

Yoo Yeon-seok

Ahn Jeong-won

유연석

Jeong Kyeong-ho

Kim Jun-wan

정경호

김대명

Yang Seok-hyeong

전미도

Chae Song-hwa

Shin Hyun-been

Jang Gyeo-ul

신현빈

Ahn Eun-jin

Chu Min-ha

안은진

곽선영

Lee Ik-sun

김준

Lee U-ju

Kim Hae-sook

Jeong Rosa

김해숙

정문성

Do Jae-hak

김혜인

Myeong Eun-won

Ha Yoon-kyung

Heo Sun-bin

하윤경

Lee Chan-hyeong

Choi Seong-yeong

이찬형

Kim Joon-han

Ahn Chi-hong

김준한

문태유

Yong Seok-min

Choi Young-joon

Bong Kwang-hyeon

최영준

Kim Su-jin

Song Su-bin

김수진

Bae Hyeon-seong

Jang Hong-do

배현성

김강민

Im Chang-min

Cho Yi-hyun

Jang Yun-bok

조이현

Moon Hee-kyung

Jo Young-hye

문희경

이수미

Auntie Wang

조승연

Ju Jeon

Kim Kap-soo

Ju Jong-su

김갑수

박한솔

Sunwoo Hui-su

양조아

Hwang Jae-shin

신도현

Bae Jun-hee

박지연

Yoon Shin-hye

서진원

Min Ki-jun

전광진

Jong Se-hyeok

설유진

Eun Seon-jin

김지성

Han Seung-ju

윤혜리

So Yi-hyun

Lee Ji-won

Han Hyun-hee

이지원

Kim Bi-bi

Ham Deok-ju

김비비

이달

Kim Jae-hwan

이노아

Lee Young-ha

황배진

Hwang Bae-jin

Lee Se-hee

Kang So-ye

이세희

Choi Young-woo

Cheon Myeong-tae

최영우

주보비

Kim Da-young

최윤설

Yoon Ga-hee

이혜은

Guk Hae-sung

좌채원

Nam Yoo-ri

이정원

Hwang Ji-woo

남중규

Choi Se-hoon

이종원

Kim Geon

신혜경

Shin-hye's mother

박정인

Seo Yoon-hee

Hong Seok-bin

Kwon Sun-jeong

홍석빈

이소윤

Kim Tae-yeon

정재성

Chief neurosurgeon

남명렬

Yang Tae-yang

이지훈

Lee Ji-hun

박정우

Jang Ga-eul

윤금선아

Baby Jae-won's Mother

기소유

Seung-chae

이주명

PD Song

박승태

Brain Cancer Patient

Bae Seong-il

Electrician

배성일

미소윤

Nurse

황순정

Ju-hwan's Mother

장희정

Bit-na's Mother

Park Ji-yeon

Eun-ah's Mother

박지연

Hwang Young-hee

Patient's Relative

Yeom Hye-ran

Min-young's Mother

염혜란

예지원

Jeong-won's Eldest Sister

오윤아

Jeong-won's Second Eldest Sister

김성균

Jeong-won's Second Eldest Brother

송덕호

KWMC Resident

Choi Seung-yoon

Song-hwa's ex-boyfriend

최승윤

Sung Dong-il

Peter

성동일

Kim Guk-hee

Gal Ba-ram

김국희

신희국

Park Jeong-su

Kim Sung-cheol

Noh Jin-hyeok

김성철

정한빈

Han Seung-hyeok

김한종

Gong Hyeong-woo

명재환

Doctor

이미은

Upset Patient

Ahn Chang-hwan

Baek Hyeong-do (voice)

안창환

Ahn Soo-bin

Jung-won's Daughter

안수빈

Anupam Tripathi

Foreign Patient's Co-worker

अनुपम त्रिपाठी

Cha Chung-hwa

Yeon-woo's Mother

차청화

Cha Mi-kyung

Cha Mi-kyung

차미경

Choi Moo-seong

Phoenix Shop Owner

최무성

Choi Nam-wook

Neurosurgery Patient

최남욱

Go Ara

Go A-ra

고아라

Han Ki-jang

Paramedic

Hong Woo-jin

Seong-ju's Brother

Im Too-chul

Recovered Cancer Patient's Son

Jang Hye-jin

Min-ha's Mother

장혜진

Jeong Eun-ran

Du-ho's Wife

Jeong Seung-gil

Brain Tumor Patient's Son

정승길

Kang Ae-sim

Song-hwa's Mother (voice)

강애심

Kang Hak-soo

Patient

강학수

Kim Dae-gon

Ba-ram's Husband

김대곤

Kim Keum-soon

Worried Mother of Patient

김금순

Kim Kyu-baek

Jong-gil's Son

김규백

Kim Kyung-min

Mr. Jung

김경민

Kim Min-seo

Kim Tae-hui

김민서

Kim Seong-yong

Doctor

김성용

Kim Sun-young

Shop Owner's Wife

김선영

Kim Young-mi

Jung-hu's Mother

Kwon Oh-soo

Assemblyman

권오수

Kwon Seung-woo

Jae-young's Husband

권승우

Lee Dong-hee

Stroke Patient

이동희

Lee Dong-yong

Husband from Jinhae

이동용

Lee Hyo-je

Sang-mo's Son

이효제

Lee Ji-ha

Gyung-jin's Mother

이지하

Lee Ji-hyeon

Shin Mi-jin

이지현

Lee Joo-sil

Brain Tumor Patient

이주실

Lee Jung-yeol

Astrocytoma Patient

Lee Kyu-hyung

Yoo Han-yang

이규형

Lee Soo-hyung

Geon-hui's Father

이수형

Park Hye-jin

Patient Next to Ba-ram

박혜진

Shin Joo-hyup

Jeong Ho-jun

신주협

Yang Ha-yoon

Sun Chun-sik's Family Member

양하윤

Yoo Jae-myung

Shin Sung-eui

유재명

Yoon Byung-hee

Jae-yeong's Husband

윤병희

강문경

Seong-ju's Father

강연정

Baby Chae-yun's Mother

강정우

Jo Moon-jung

강충훈

Paramedic

고경희

Ju-hyeong's Wife

고나영

Yoo Gyung-jin

고도연

Ji-hyun

고인범

Jang Jong-gil

고한민

Ye-rim's Husband

구시연

Sang-mo's Wife

구재연

So-young's Mother

권귀빈

Dr. Tae-in

권혁수

Jung-min's Father

기은세

Yuk Hye-jeong

기환

Eun-ji's Father

김가영

Jun's Mother

김가희

Bin

김건호

Patient

김경일

Hong Jeong-ho

김기남

Table Tennis Umpire

김남진

Chan-hyeong's Grandmother

김려은

Pregnant Wife

김로사

Pediatrician

김미라

Ha-yul's Mother

김미희

Ji-hyun's Mother

김백리

Yeong-ji’s Nurse

김범수

Security Guard

김상일

Du-na's Father

김세윤

Physical Therapist

김시우

Park Seung-won

김아람

Chang-hak's Sister-in-law

김영희

Waitress

김익태

Choe Jung-won

김인경

Surgical Ward Nurse

김인권

Si-on's father

김자영

Jong-gil's Wife

김정남

Brain hemorrhage patient

김정수

Chang-hak's Father

김종호

ASD patient

김종호

Ik-jun's Patient

김주아

Doctor

김지훈

Ji-won

김진

Ba-da's Mother

김학선

Eun-seok's Husband

김현

Choi Eun-seok

김희창

Chan-dong's Friend

김히어라

An Seong-ju

나영석

Jang Young-seok

나철

Kim U-jae

남상지

Cirrhosis Patient's Wife

류연석

Fellow

류혜린

Seung-won's Mother

마정필

Doctor

민경옥

Patient

민지아

Preterm Baby's Mother

박무염

Orthopedics Team Doctor

박보경

Chang-hak's Wife

박선주

Hwang Min-jung

박성균

Brain Hemorrhage Patient's Son

박수민

Nurse

박수진

Boy Patient's Mother

박예니

Interpreter

박옥출

Patient's Daughter

박은영

Hae-beom's Aunt

박재준

Choi Eun-dam

배기범

Kim Jang-ho

배민준

Sang-mo's Son

배유리

Social Worker

배현경

Dr. Shin's Teammate

서석규

Seung-won's Father

서혜진

Choi Ji-eun

선율우

Patient Next to Painkiller Patient

설창희

Seo-joo's Husband

소희정

Bae Jong-sup's Wife

손경원

Oh Jae-il

손승훈

Cho Seon-ho

손인용

Pregnant Wife's Husband

승의열

Gyung-jin's Father

신연숙

Chang-hak's Mother

신현종

Yu-min's Father

신희철

Chang-hak's Brother

심달기

Chan-hyeong's Mother

심혜림

Nurse (Eps 11)

안상우

Ik-jun's Professor

안소요

Baby Hun's mother

안시하

Kim Soo-jung

안태린

Ha-yul

양승걸

Tae-jin's Father

엄옥란

Astrocytoma Patient's Wife

연제훈

Assemblyman's Aide

오기환

Detective

오난주

Middle-age Female Staff

오동민

Yuk Hui-gwan

오은서

Ba-da

우성민

Child Patient in Elevator

우정원

Yeom Se-hee

유병선

Im Jang-hun

윤단비

Doctor

윤도건

Intern

윤복성

Sun Du-ho

윤성원

Impatient Heart Patient's Husband

윤현길

ASD Patient's Daughter

이다영

Kang Seo-ju

이봄소리

OB-GYN Fellow

이서준

Kim Hyeon-su

이수근

Radio DJ (voice)

이시영

Pregnant Nurse

이연주

Surgical Ward Nurse

이영숙

Ho-jung's Mother

이윤상

Doctor

이은

Si-on's Mother

이은채

Seok-hyeong's Patient

이재은

Jeong-su's Guardian

이재인

Kang Chan-dong

이재인

So-mi

이정찬

Jong-seop's Son

이지현

Sim Mi-jin

이창직

Jeong Su-beom

이채윤

Su-beom's Wife

이채은

Ji-a's Mother

이천무

Won-jun

이태형

An Sang-mo

이택근

Soo-jung's Husband

이하주

Cafe Cashier

이휘서

Neuropatient

임승범

Baby Chae-yun's Father

임재근

Ru-bin's Father

임정민

Attorney

임지호

Jae-min

장격수

Ji-a's Father

장원형

Pediatrics Fellow

장주연

Pediatric Surgery Nurse

장준호

Doctor

장하은

Brain Hemorrhage Patient's Daughter

전수연

Patient's Daughter (Voice)

전여진

Ho-jung's Sister

전준우

Ji-hyun's Father

전혜연

Nurse

정동규

Go Yeong-min

정민성

Lee Chang-hak

정새별

Jung-won's Daughter

정서연

Jang-hun's Wife

정시율

Dong-ju

정유민

Jeong Eun-bin

정은경

Du-na's Mother

정충구

Bae Jong-seop

정한설

Lee Won-u's guardian

정현석

Pediatrics Doctor

조남희

Doctor

조아진

Restaurant Waitress

조인

Kim So-young

주부진

Bolgogi Grandma

지민혁

Hui-dong

지성근

Foreign Currency Patient

채민희

So-yeon

채서은

Shin Mo-rin

최교식

Bae Jong-sup's Mother

최덕문

Min-ha's Father

최솔희

Impatient Heart Patient

최유송

Brain Tumor Patient's Daughter

최지연

Doctor

최효상

Oncologist Surgeon

하승연

Transfer PPH Patient

하이안

Jae-hun / Jae-yong

한사명

Kim Hae-beom

한서연

Physical Therapist

한지효

Intern

한채빈

Kim Ha-eun

허선행

Heart Patient

허순미

Kim Jae-yeong