Dr. Romántico

한석규

Teacher Kim

진경

Oh Myung-sim

김민재

Park Eun-tak

임원희

Jang Gi-tae

변우민

Nam Do Il / Nam Do-il

윤나무

Jung In-soo

김홍파

Yeo Woon-young

최진호

Do Yoon-wan

이규호

Mr. Goo (Goo Hwang-woo)

안효섭

Seo Woo-jin

이성경

Cha Eun-jae

Kim Joo-Hun

Park Min-guk

소주연

Yoon Ah-reum

Shin Dong-wook

Bae Moon-jung

윤보라

Joo Young-mi

정지안

Uhm Hyun-jung

고상호

Yang Ho-joon

서현진

Yoon Seo-Jung

유연석

Kang Dong-joo

Yang Se-jong

Do In-bum

서은수

Woo Yeon-hwa

장혁진

Song Hyeon Cheol / Song Hyeon-cheol

윤찬영

Kang Dong-Joo (young)

서영

Manager Joo

Shin Dong-hoon

Bodyguard

주현

Chairman Shin Myung-ho

Jin Ah-rin

Nurse Jung

Kim Bo-jung

Nurse Uhm

이경영

Cha Jin-man

이신영

Jang Dong-hwa

이홍내

Lee Seon-woong

박효주

Shim Hye-jin

Bae Myeong-jin

Heo Young-kyu

Kim Yong-jin

Chief Lee

Im Jae-geun

Paramedic Heo

오민애

Ko Kyung-sook

신승환

Webtoon writer

Park Doo-sik

Boyfriend of the appendicitis patient fertilizer / Oh Sung Jae

황재열

Detective Go / Detective Go [Police detective]

손상연

Cabo Lightning / Kang Ik Joon [VIP Patient]

이지하

Cha Eun-jae's Mother

Kwon Hyuk-soo

Defense Minister Ryu Woong-il / Ryu Woong Il [Minister]

김혜준

Jang Hyun-joo

김민상

Oh Sung Jae [Reporter]

이지현

Choi Soon-young's Mother

Lee Ki-sub

Ko Kyung-sook's Aide

Lee Do-guk

Chief Park of Field Control Team

황찬성

Young Gyun

Kim Jun-won

Auditor Choi

Lee Kang-wook

[Drunken driver]

Kim Ji-eun

[Yoon Wan's secretary]

Kim Dong-hyun

[Violent husband]

Cherish Maningat

[Domestic abused victim]

Lee Seong-woo

[Gangster #3]

전진오

Lee Dae Young [Minister Ryu's bodyguard]

Hong Seong-gwan

Paramedic

한규원

Yeom Jung-do

Kang Hae-ri

Nurse

태인호

Moon Tae-ho

김정영

Kang Dong-joo's mother

이철민

Ham Seung-ho

Kang Chan

Park Joo-hyuk

Han Gab-soo

Park Joo-hyuk's father

김철윤

North Korean Defector

Yoo Yu-jin

Ri Bok-young

Han Ji-an

Kim Kyung-soo

류승수

Ski Jumping Coach

Jeong Han-seol

Jo Sung-yoon

Kang Myeong-ju

Deceased Person's Mother

Shin Yi-Joon

Yoon Seo Jeong [Young]

Lee Myung-haeng

Choi Kyung Young

Cha Jung-won

Soo Jung

이채경

[Patient's mother]

Lee Jae-woo

Ahn Woo Yeol

김수진

[Patient's wife]

Kim Jong-tae

Professor Oh [CS Specialist]

곽자형

Lee Jang Shik [Gangster #2]

Ji Hye-won

Seo Se Young [Trainee nurse]

Lee Ji-hae

[Pregnant bus passenger]

Choi Yun-seol

[Bus passenger]

Ko Byung-Taek

[Bus passenger with leg injury]

Park Joo-yong

[119 paramedic]

Kim No-jin

Jung Ga Young [Rape victim]

Park Ki-ryung

[Yoon Wan's associate]

Lee Yun-sang

[Yoon Wan's associate]

Ahn Soo-ho

[Tow yard worker]

정보석

[Moon Jung’s father]

Park Ha-joon

Kim Han-wool

Jo Eun-sol

Jung Byeol

우지현

Jeon Kyung-soo

Kim Kyu-ha

Choi Seok-gu

Kim Kyun-ha

Choi Seok-gu

Park Ji-hoon

First Lieutenant Kang Bo-seung

Lee Bong-Joon

Choi Seok-gu's Friend

Jang Young-hyeon

Heo Byung-bae

Cha Solomon

Choi Seok-gu's Friend

Lee Jin-hong

Anesthetic Nurse

조동인

Math Academy Teacher

Lee Ga-yeon

Seo Joo-young

Hyun Gun-woo

Unconscious Dance Academy Student

Byun Joong-hee

Patient with Dementia

Shin Hye-ji

Patient Min-jung

Kim Jae-man

Vomitting Patient

Kim Da-huin

Officer Choi

Park Seong-chan

Anesthesiologist

Park Hee-jung

Nurse

Lee Joo-Young

Nurse

이채은

Ji Min-jung

김혜수

Lee Young-jo

Kim Joong-ki

Cardiothoracic Surgeon

문지인

Jo A-ra

Jung Kang-hee

Anal Patient

Lee Ji-yeon

Nurse Jin

박성광

a bad customer

Heo An-na

a bad customer

Gu Da-song

Female student

이도엽

Captain Yoo In-sik

하윤경

Interviewee Ha Yoon-kyung

주종혁

Interviewee

주현영

Interviewee

문상훈

Interviewee

임성재

Interviewee

Kim Beom-seok

Ko Eun-ho

Ha Dong-joon

Kang Sung-jin

Kim Byung-hee

Coast Guard

Kim Seong-in

Coast Guard

Shin Hyeon-yong

Arsonist

Yoon Kwan-woo

Police

Ahn Sang-woo

Professor Park

Lee Hyo-je

Do In Bum [Young]

이용이

[Patient's mother]

Ri Min

[Truck driver involved in an accident]

Choi Kyo-sik

Taxi driver

Yu Eun-mi

Ah Rin

Park Seoung-tae

[Car crash victim]

Kim Nam-jin

Joo Hyuk's mother

박영수

[Healthcare center employee]

Cho Wan-ki

Dr. Lee

Kyung Ki-hyun

[Station employee]

Hwang Bo-Kwon

[Station employee]

Nam Jeong-woo

[Geodae Hospital doctor]

Shin Dong-ryeok

Il Joong [Geodae Hospital doctor]

Seo Jung-hoo

[119 operator]

Gu Bon-jin

[Lieutenant commander]

Seo Myung-chan

[Military officer]

Ahn Su-bin

[TV reporter]

Jung Young-hoon

[Security]

Im Jae Ha

Seo Woo Jin [Young]

Kim Soo-Min

Soo Jin [Patient]

Jin Yong-uk

[Soo Jin's father / Patient]

Kim Ga-young

[Soo Jin's mother]

Min Sang-woo

[Chest patient]

강유석

Joon Young [Prisoner]

Kim Jin

Choi Soon-young [Paramedic]

Woo Hyun-ju

[Joon Young's mother]

Hong Suk-youn

[Violent drunk man]

홍석연

[Violent drunk man]

Jung Hyun-Suk

[Organ transplant doctor]

박성일

[Police officer in ER]

장의돈

[Local police officer]

Kang Suk-won

Hyung Joon [Woo Jin's ex colleague]

Cheon So-Ra

[Nurse]

Song Chang-gyu

Song Chang Gyu

Kim Seo-won

Lee Dong Woo [Amputee]

정현준

[Dong Woo's son]

강형석

[Ik Joon's brother]

김혜은

Shin Hyun Jung [Chairwoman]

Han Sang-chul

[Hiker]

Lee Young-sil

[Patient's wife]

박가영

[Nurse]

Yoon Cha-Young

Soo Yeon

Im Young-joon

Jae-hyun's Grandmother's Son

오지혜

Bae Yu-rim's Mother

Ji So-young

Bae Yu-rim

Seong Jeong-seon

Elderly Patient

Jang Nam-yeol

Bus Terminal's Cleaner (Chief Lee's Uncle-in-Law)

Yong-Jin

Blood Transport Vehicle Driver

Kim Jang-hwan

News Announcer

Jo In-woo

Paramedic Choi Min-kyu

Hwang Soo-min

Reporter Song Hye-jin

Ha I-aan

Student with Scraped Leg

Yoo Sung-min

Student Park Jung-min

Baek Kyung-min

Dance Academy Student

Han Gi-joong

Head of Jongseon

Seo Ah-in

Student Experiencing Dizziness

Go Geon-ryeong

Cardiac Patient

Guk Joong-woong

Patient Guardian who Complain

Lee Seung-won

Guardian of Patient with Wheelchair

Lee Jang-ho

Paramedic

Jung Woo-jae

Woo Sang-min

Kim Ye-rin

Cha Eun-jae (Young)

Kim Moon-chan

Fighting Patient

Kim Il-hyun

Doctor

Bae Bo-ram

Doctor

Kwak Jin

Fighting Brother Patient

Park Joo-yong

Embolism Patient

Kim Do-won

Heo Ye-jun

Kim Si-on

Heo Ye-jun's Sister

Lee Han-ju

Angry Patient

Ryu Ye-Ri

Jung In-soo's Wife