Dr. Romantic

Han Suk-kyu

Teacher Kim / Bu Yong-ju· 52 ep

Kim Min-jae

Park Eun-tak· 52 ep

Yoon Na-moo

Jeong In-su· 52 ep

Jin Kyung

Oh Myeong-sim· 52 ep

Im Won-hee

Jang Gi-tae· 52 ep

Byun Woo-min

Nam Do-il· 52 ep

Lee Kyu-ho

Mr. Gu Hwang-u· 52 ep

Yoo Yeon-seok

Gang Dong-ju· 41 ep

Choi Jin-ho

Do Yun-wan· 36 ep

Kim Hong-pa

Yu Wun-young· 36 ep

Ahn Hyo-seop

Seo U-jin· 32 ep

Lee Sung-kyung

Cha Eun-jae· 32 ep

Kim Ju-hun

Park Min-guk· 32 ep

Shin Dong-wook

Bae Mun-jeong· 32 ep

So Joo-yeon

Yoon A-reum· 32 ep

Jeong Ji-an

Uhm Hyeon-jeong· 32 ep

Ko Sang-ho

Yang Ho-jun· 32 ep

Yoon Bo-ra

Ju Young-mi· 32 ep

Kim Yong-jin

Chief Lee· 32 ep

Im Jae-geun

Paramedic Heo· 27 ep

Seo Yeong

Manager Ju· 24 ep

Yang Se-jong

Do In-beom· 22 ep

Jang Hyuk-jin

Song Hyeon-cheol· 22 ep

Kim Jung-young

Dong-ju's mother· 22 ep

Joo Hyun

Shin Myeong-ho· 21 ep

Seo Hyun-jin

Yun Seo-jeong· 20 ep

Seo Eun-soo

Oh Yeon-hwa· 20 ep

Kim Bo-jeong

Nurse Uhm· 20 ep

Jo Ah-ra

Nurse· 20 ep

Shin Dong-hoon

Bodyguard· 20 ep

Jin Ah-rin

Nurse Jeong· 20 ep

Lee Ji-ha

Eun-jae's mother· 20 ep

Park Hyo-ju

Shim Hye-jin· 18 ep

Bae Myeong-jin

Heo Young-gyu· 18 ep

Jeong Han-seol

Seong Yun· 18 ep

Lee Kyung-young

Cha Jin-man· 16 ep

Lee Sin-young

Jang Dong-hwa· 16 ep

Lee Hong-nae

Lee Seon-ung· 16 ep

Park Jin-ah

Hyeon Ji-hyeong· 16 ep

Moon Ah-ram

Nurse at Doldam Hospital· 16 ep

Seo Dong-won

· 16 ep

Sung Ryung

· 16 ep

Jo Jung-yoon

ER nurse at Doldam Hospital· 16 ep

Seo Hee

Nurse at Doldam Hospital· 16 ep

Lee Ho-cheol

Loan shark· 16 ep

Lim Cheol-soo

Loan shark· 16 ep

Park Jong-hwan

Im Hyeon-jun· 16 ep

Lee Min-woong

Ryu Jun-gil· 16 ep

Oh Min-ae

Ko Kyung-sook· 8 ep

Shin Seung-hwan

Webtoon writer· 5 ep

Son Sang-yeon

Kang Ik Joon [VIP Patient]· 5 ep

Hwang Jae-yeol

Detective Go· 5 ep

Kim Hye-jun

Jang Hyun-joo· 4 ep

Kwon Hyuk-soo

Ryu Woong Il [Minister]· 4 ep

Kim Min-sang

Oh Sung Jae [Reporter]· 4 ep

Lee Ji-hyeon

Choi Soon-young's Mother· 4 ep

Lee Ki-seop

Ko Kyung-sook's Aide· 4 ep

Lee Do-guk

Chief Park of Field Control Team· 4 ep

Hwang Chan-sung

Young Gyun· 3 ep

Kim Jun-won

Auditor Choi· 3 ep

Lee Kang-wook

[Drunken driver]· 3 ep

Kim Ji-eun

[Yoon Wan's secretary]· 3 ep

Jung Bo-seog

[Moon Jung’s father]· 3 ep

Kim Dong-hyun

[Violent husband]· 3 ep

Cherish Maningat

[Domestic abused victim]· 3 ep

Lee Sung-woo

[Gangster #3]· 3 ep

Jeon Jin-oh

Lee Dae Young [Minister Ryu's bodyguard]· 3 ep

Hong Seong-gwan

Paramedic· 3 ep

Han Kyu-won

Yeom Jung-do· 3 ep

Park Seong-chan

Anesthesiologist· 3 ep

Kang Hae-ri

Nurse· 3 ep

Tae In-ho

Moon Tae-ho· 2 ep

Lee Cheol-min

Ham Seung-ho· 2 ep

Kang Chan

Park Joo-hyuk· 2 ep

Han Gab-soo

Park Joo-hyuk's father· 2 ep

Kim Cheol-yun

North Korean Defector· 2 ep

Yoo Yu-jin

Ri Bok-young· 2 ep

Han Ji-an

Kim Kyung-soo· 2 ep

Ryu Seung-su

Ski Jumping Coach· 2 ep

Kang Myeong-ju

Deceased Person's Mother· 2 ep

Shin Yi-Joon

Yoon Seo Jeong [Young]· 2 ep

Lee Myung-haeng

Choi Kyung Young· 2 ep

Cha Jung-won

Soo Jung· 2 ep

Lee Chae-kyung

[Patient's mother]· 2 ep

Lee Jae-woo

Ahn Woo Yeol· 2 ep

Kim Soo-jin

[Patient's wife]· 2 ep

Kim Jong-tae

Professor Oh [CS Specialist]· 2 ep

Kwak Ja-hyung

Lee Jang Shik [Gangster #2]· 2 ep

Ji Hye-won

Seo Se Young [Trainee nurse]· 2 ep

Lee Ji-hae

[Pregnant bus passenger]· 2 ep

Choi Yun-seol

[Bus passenger]· 2 ep

Go Byeong-taek

[Bus passenger with leg injury]· 2 ep

Park Joo-yong

[119 paramedic]· 2 ep

Kim No-jin

Jung Ga Young [Rape victim]· 2 ep

Park Kee-ryung

[Yoon Wan's associate]· 2 ep

Lee Yun-sang

[Yoon Wan's associate]· 2 ep

Ahn Soo-ho

[Tow yard worker]· 2 ep

Park Ha-joon

Kim Han-wool· 2 ep

Jo Eun-sol

Jung Byeol· 2 ep

Oh Ji-hye

Bae Yu-rim's Mother· 2 ep

Woo Ji-hyun

Jeon Kyung-soo· 2 ep

Kim Kyun-ha

Choi Seok-gu· 2 ep

Park Ji-hoon

First Lieutenant Kang Bo-seung· 2 ep

Lee Bong-joon

Choi Seok-gu's Friend· 2 ep

Jang Young-hyeon

Heo Byung-bae· 2 ep

Cha Solomon

Choi Seok-gu's Friend· 2 ep

Lee Jin-hong

Anesthetic Nurse· 2 ep

Cho Dong-in

Math Academy Teacher· 2 ep

Lee Ga-yeon

Seo Joo-young· 2 ep

Ha I-aan

Student with Scraped Leg· 2 ep

Yoo Sung-min

Student Park Jung-min· 2 ep

Hyun Gun-woo

Unconscious Dance Academy Student· 2 ep

Byun Joong-hee

Patient with Dementia· 2 ep

Shin Hye-ji

Patient Min-jung· 2 ep

Kim Jae-man

Vomitting Patient· 2 ep

Kim Da-huin

Officer Choi· 2 ep

Park Hui-jeong

Nurse· 2 ep

Lee Joo-young

Nurse· 2 ep

Oh Min-jeong

Tteokbokki restaurant owner· 2 ep

Kim Hye-soo

Lee Young-jo· 1 ep

Lee Chae-eun

Ji Min-jung· 1 ep

Kim Joong-ki

Cardiothoracic Surgeon· 1 ep

Moon Ji-in

Jo A-ra· 1 ep

Jeong Kang-hee

Anal Patient· 1 ep

Lee Ji-yeon

Nurse Jin· 1 ep

Park Doo-sik

Boyfriend of the appendicitis patient fertilizer· 1 ep

Yoon Chan-young

Kang Dong-joo (Young)· 1 ep

Park Sung-kwang

a bad customer· 1 ep

Heo An-na

a bad customer· 1 ep

Gu Da-song

Female student· 1 ep

Kim Hye-eun

Shin Hyeong-jeong· 1 ep

Lee Do-yeop

Captain Yoo In-sik· 1 ep

Ha Yoon-kyung

Interviewee Ha Yoon-kyung· 1 ep

Joo Jong-hyuk

Interviewee· 1 ep

Joo Hyun-young

Interviewee· 1 ep

Moon Sang-hoon

Interviewee· 1 ep

Im Sung-jae

Interviewee· 1 ep

Kim Beom-seok

Ko Eun-ho· 1 ep

Ha Dong-jun

Kang Sung-jin· 1 ep

Kim Byung-hee

Coast Guard· 1 ep

Kim Seong-in

Coast Guard· 1 ep

Shin Hyeon-yong

Arsonist· 1 ep

Ahn Sang-woo

Professor Park· 1 ep

Lee Hyo-je

Do In Bum [Young]· 1 ep

Lee Yong-i

[Patient's mother]· 1 ep

Ri Min

[Truck driver involved in an accident]· 1 ep

Choi Kyo-sik

Taxi driver· 1 ep

Yu Eun-mi

Ah Rin· 1 ep

Park Seoung-tae

[Car crash victim]· 1 ep

Kim Nam-jin

Joo Hyuk's mother· 1 ep

Park Young-soo

[Healthcare center employee]· 1 ep

Cho Wan-ki

Dr. Lee· 1 ep

Gyeong Gi-hyeon

[Station employee]· 1 ep

Hwang Bo-Kwon

[Station employee]· 1 ep

Nam Jeong-woo

[Geodae Hospital doctor]· 1 ep

Shin Dong-ryeok

Il Joong [Geodae Hospital doctor]· 1 ep

Seo Jung-hoo

[119 operator]· 1 ep

Gu Bon-jin

[Lieutenant commander]· 1 ep

Seo Myung-chan

[Military officer]· 1 ep

Ahn Su-bin

[TV reporter]· 1 ep

Jung Young-hoon

[Security]· 1 ep

Im Jae Ha

Seo Woo Jin [Young]· 1 ep

Kim Soo-Min

Soo Jin [Patient]· 1 ep

Jin Yong-uk

[Soo Jin's father / Patient]· 1 ep

Kim Ga-young

[Soo Jin's mother]· 1 ep

Min Sang-woo

[Chest patient]· 1 ep

Kang You-seok

Joon Young [Prisoner]· 1 ep

Kim Jin

Choi Soon-young [Paramedic]· 1 ep

Woo Hyun-ju

[Joon Young's mother]· 1 ep

Hong Seok-yeon

[Violent drunk man]· 1 ep

Jeong Hyun-seok

[Organ transplant doctor]· 1 ep

Park Seong-il

[Police officer in ER]· 1 ep

Jang Ui-don

[Local police officer]· 1 ep

Kang Suk-won

Hyung Joon [Woo Jin's ex colleague]· 1 ep

Cheon So-Ra

[Nurse]· 1 ep

Song Chang-gyu

Song Chang Gyu· 1 ep

Kim Seo-won

Lee Dong Woo [Amputee]· 1 ep

Jung Hyeon-jun

[Dong Woo's son]· 1 ep

Kang Hyung-suk

[Ik Joon's brother]· 1 ep

Han Sang-chul

[Hiker]· 1 ep

Lee Young-sil

[Patient's wife]· 1 ep

Park Ga-young

[Nurse]· 1 ep

Yoon Cha-young

Soo Yeon· 1 ep

Im Young-joon

Jae-hyun's Grandmother's Son· 1 ep

Ji So-young

Bae Yu-rim· 1 ep

Seong Jeong-seon

Elderly Patient· 1 ep

Jang Nam-yeol

Bus Terminal's Cleaner (Chief Lee's Uncle-in-Law)· 1 ep

Yong-Jin

Blood Transport Vehicle Driver· 1 ep

Kim Jang-hwan

News Announcer· 1 ep

Cho In-woo

Paramedic Choi Min-kyu· 1 ep

Hwang Soo-min

Reporter Song Hye-jin (Eps 9)· 1 ep

Baek Kyung-min

Dance Academy Student· 1 ep

Han Gi-joong

Head of Jongseon· 1 ep

Seo Ah-in

Student Experiencing Dizziness· 1 ep

Go Geon-ryeong

Cardiac Patient· 1 ep

Guk Joong-woong

Patient Guardian who Complain· 1 ep

Lee Seung-won

Guardian of Patient with Wheelchair· 1 ep

Lee Jang-ho

Paramedic· 1 ep

Jung Woo-jae

Woo Sang-min· 1 ep

Kim Ye-rin

Cha Eun-jae (Young)· 1 ep

Kim Moon-chan

Fighting Patient· 1 ep

Kim Il-hyeon

Doctor· 1 ep

Bae Bo-ram

Doctor· 1 ep

Kwak Jin

Fighting Brother Patient· 1 ep

Park Joo-young

Embolism Patient· 1 ep

Kim Do-won

Heo Ye-jun· 1 ep

Kim Si-on

Heo Ye-jun's Sister· 1 ep

Lee Han-ju

Angry Patient· 1 ep

Ryu Ye-ri

Jung In-soo's Wife· 1 ep

Ban Hye-young

Reporter· 1 ep

Park Joon-sang

Reporter· 1 ep

Lee Dong-kyu

Anchor· 1 ep

Jeong Hyeon-woo

Electrician· 1 ep

Yoon Kwan-woo

Detective· 1 ep

Jeong Ae-hwa

Villa resident· 1 ep

Choi Sol-hee

Villa resident· 1 ep

Min Woo-gi

Patient· 1 ep

Jeong Doo-won

Cramps patient's husband· 1 ep

Han Ki-jang

Firefighter· 1 ep

Kim Do-hyeong

Cha Jin Man's chauffeur· 1 ep

Lee Bo-ra

· 1 ep

Kim Hwa-young

Nurse (eps 1)· 1 ep