On screen
Cast
203 credited performers
Han Suk-kyu
Teacher Kim / Bu Yong-ju
Lee Sung-kyung
Cha Eun-jae
Ahn Hyo-seop
Seo U-jin
Jin Kyung
Oh Myeong-sim
Im Won-hee
Jang Gi-tae
Byun Woo-min
Nam Do-il
Kim Min-jae
Park Eun-tak
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
Yoo Yeon-seok
Gang Dong-ju
Seo Hyun-jin
Yun Seo-jeong
Park Hyo-ju
Shim Hye-jin
Bae Myeong-jin
Nurse Nam
Lee Kyung-young
Cha Jin-man
Choi Jin-ho
Do Yun-wan
Lee Hong-nae
Lee Seon-ung
Lee Sin-young
Jang Dong-hwa
Im Jae-geun
Paramedic Heo
Oh Min-ae
Ko Kyung-sook
Shin Seung-hwan
Webtoon writer
Son Sang-yeon
Cabo Lightning
Hwang Jae-yeol
Detective Go
Seo Yeong
Manager Ju
Lee Ji-ha
Cha Eun-jae's Mother
Kim Hye-jun
Jang Hyun-joo
Kwon Hyuk-soo
Defense Minister Ryu Woong-il
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
Yang Se-jong
Do In-beom
Jang Hyuk-jin
Song Hyeon-cheol
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
Kim Hye-soo
Lee Young-jo
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
Yoon Chan-young
Kang Dong-joo (Young)
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
Lee Bo-ra
Character not listed
Kim Hwa-young
Nurse