Dr. Romantic

Han Suk-kyu

Teacher Kim / Teacher Kim / Bu Yong-ju

Jin Kyung

Oh Myeong-sim / Oh Myung-Sim

Kim Min-jae

Park Eun-tak

Im Won-hee

Jang Gi-tae

Byun Woo-min

Nam Do Il / Nam Do-il

Lee Sung-kyung

Cha Eun-jae

Ahn Hyo-seop

Seo U-jin

Yoon Na-moo

Jeong In-su

Kim Ju-hun

Park Min-guk

Shin Dong-wook

Bae Mun-jeong

So Joo-yeon

Yoon A-reum

Ko Sang-ho

Yang Ho-jun

Yoon Bo-ra

Ju Young-mi

Seo Hyun-jin

Yoon Seo-Jung / Yun Seo-jeong

Yoo Yeon-seok

Gang Dong-ju / Kang Dong-Joo

Lee Kyung-young

Cha Jin-man

Choi Jin-ho

Do Yun-wan

Lee Hong-nae

Lee Seon-ung

Lee Sin-young

Jang Dong-hwa

Park Hyo-ju

Shim Hye-jin

Bae Myeong-jin

Heo Young-gyu

Yang Se-jong

Do In-beom / Do In-Bum

Seo Eun-soo

Oh Yeon-hwa / Woo Yeon-Hwa

Kim Hong-pa

Yeo Woon-Young / Yu Wun-young

Jang Hyuk-jin

Song Hyeon Cheol / Song Hyeon-cheol

Kim Hye-soo

Lee Young-jo

Lee Kyu-ho

Mr. Gu Hwang-u

Kim Bo-jeong

Nurse

Yoon Chan-young

Kang Dong-Joo (young)

Im Jae-geun

Paramedic Heo

Oh Min-ae

Ko Kyung-sook

Shin Seung-hwan

Webtoon writer

Son Sang-yeon

Cabo Lightning / Kang Ik-joon

Hwang Jae-yeol

Detective Go

Seo Yeong

Manager Ju

Lee Ji-ha

Cha Eun-jae's Mother

Kwon Hyuk-soo

Defense Minister Ryu Woong-il / Ryu Woong-il

Kim Hye-jun

Jang Hyun-joo

Kim Min-sang

Oh Sung Jae [Reporter]

Lee Ji-hyeon

Choi Soon-young's Mother

Lee Ki-seop

Ko Kyung-sook's Aide

Lee Do-guk

Chief Park of Field Control Team

CHANSUNG

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 Sung-woo

Gangster #3

Jeon Jin-oh

Lee Dae-young

Hong Seong-gwan

Paramedic

Han Kyu-won

Yeom Jung-do

Park Seong-chan

Anesthesiologist

Kang Hae-ri

Nurse

Tae In-ho

Moon Tae-ho

Kim Jung-young

Kang Dong-joo's mother

Lee Cheol-min

Ham Seung-ho

Kang Chan

Park Joo-hyuk

Han Gab-soo

Park Joo-hyuk's father

Jung Bo-seok

Bae Moon-jung's Father

Kim Cheol-yun

North Korean Defector

Yoo Yu-jin

Ri Bok-young

Han Ji-an

Kim Kyung-soo

Ryu Seung-soo

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

Lee Chae-kyung

[Patient's mother]

Lee Jae-woo

Ahn Woo Yeol

Kim Soo-jin

[Patient's wife]

Kim Jong-tae

Professor Oh

Kwak Ja-hyung

Lee Jang-shik

Chi Hae-won

Seo Se-young

Lee Ji-hae

Pregnant Bus Passenger

Choi Yun-seol

Bus Passenger

Go Byeong-taek

Bus Passenger

Park Joo-yong

119 Paramedic

Kim No-jin

Jung Ga-young

Park Kee-ryung

Yoon-wan's Associate

Lee Yun-sang

Yoon-wan's Associate

Ahn Soo-ho

Tow Yard Worker

Park Ha-joon

Kim Han-wool

Jo Eun-sol

Jung Byeol

Oh Ji-hye

Bae Yu-rim's Mother

Woo Ji-hyun

Jeon Kyung-soo

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

Cho Dong-in

Math Academy Teacher

Lee Ga-yeon

Seo Joo-young

Ha I-aan

Student with Scraped Leg

Yoo Sung-min

Student Park Jung-min

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 Hui-jeong

Nurse

Lee Joo-young

Nurse

Oh Min-jeong

Tteokbokki restaurant owner

Lee Chae-eun

Ji Min-jung

Kim Jung-ki

Cardiothoracic Surgeon

Moon Ji-in

Jo A-ra

Jeong Kang-hee

Anal Patient

Lee Ji-yeon

Nurse Jin

Park Doo-sik

Boyfriend of the appendicitis patient fertilizer

Park Sung-kwang

a bad customer

Heo An-na

a bad customer

Gu Da-song

Female student

Kim Hye-eun

Shin Hyeong-jeong

Lee Do-yeop

Captain Yoo In-sik

Ha Yoon-kyung

Interviewee Ha Yoon-kyung

Joo Jong-hyuk

Interviewee

Joo Hyun-young

Interviewee

Moon Sang-hoon

Interviewee

Im Sung-jae

Interviewee

Kim Beom-seok

Ko Eun-ho

Ha Dong-jun

Kang Sung-jin

Kim Byung-hee

Coast Guard

Kim Seong-in

Coast Guard

Shin Hyeon-yong

Arsonist

Ahn Sang-woo

Professor Park

Lee Hyo-je

Do In Bum [Young]

Lee Yong-yi

[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

Park Young-soo

[Healthcare center employee]

Cho Wan-ki

Dr. Lee

Joo Hyun

Shin Myung-ho

Gyeong Gi-hyeon

Station Employee

Hwang Bo-Kwon

Station Employee

Nam Jeong-woo

Geodae Hospital Doctor

Shin Dong-ryeok

Il-joong

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

Young Seo Woo-jin

Kim Soo-Min

Soo-jin

Jin Yong-uk

Soo-jin's Father

Kim Ga-young

Soo-jin's Mother

Min Sang-woo

Chest Patient

Kang You-seok

Joon-young

Kim Jin

Choi Soon-young

Woo Hyun-ju

Joon-young's Mother

Hong Seok-yeon

Violent Drunk Man

Jeong Hyun-seok

Organ Transplant Doctor

Park Seong-il

Police Officer in ER

Jang Ui-don

Local Police Officer

Kang Suk-won

Hyung-joon

Cheon So-Ra

Nurse

Song Chang-gyu

Song Chang-gyu

Kim Seo-won

Lee Dong-woo

Jung Hyeon-jun

Lee Dong-woo's Son

Kang Hyung-suk

Ik-joon's brother

Han Sang-chul

Hiker

Lee Young-sil

Patient's Wife

Park Ga-young

Nurse

Yoon Cha-young

Soo-yeon

Im Young-joon

Jae-hyun's Grandmother's Son

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

Cho In-woo

Paramedic Choi Min-kyu

Hwang Soo-min

Reporter Song Hye-jin (Eps 9)

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-hyeon

Doctor

Bae Bo-ram

Doctor

Kwak Jin

Fighting Brother Patient

Park Joo-young

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

Ban Hye-young

Reporter

Park Joon-sang

Reporter

Lee Dong-kyu

Anchor

Jeong Hyeon-woo

Electrician

Yoon Kwan-woo

Detective

Jeong Ae-hwa

Villa resident

Choi Sol-hee

Villa resident

Min Woo-gi

Patient

Jeong Doo-won

Cramps patient's husband

Han Ki-jang

Firefighter

Kim Do-hyeong

Cha Jin Man's chauffeur

Kim Hwa-young

Nurse