Pemeran Doctor John

Ji Sung (지성)

as Cha Yo Han

Pemeran Utama

Lee Se Young (이세영)

as Kang Shi Young

Pemeran Utama

Lee Kyu Hyung

as Son Suk Ki

Pemeran Utama

Hwang Hee

as Lee Yoo Joon

Pemeran Utama

Jung Min Ah

as Kang Mi Rae

Pemeran Pembantu

Kwon Hwa Woon

as Heo Joon [4th year Resident]

Pemeran Pembantu

Son San

as Hong Yun Jin [Nurse - Pain Clinic]

Pemeran Pembantu

Lee You Mi

as Na Gyeong A [Nurse - Pain Clinic]

Pemeran Pembantu

Jung Jae Sung

as Kwon Suk [Anesthesiology professor]

Pemeran Pembantu

Shin Dong Mi

as Chae Eun Jung [Nurse]

Pemeran Pembantu

Oh Hyun Joong

as Kim Won Hee [1st year Resident]

Pemeran Pembantu

Yoon Joo Sang

as Lee Won Gil [Frm. Minister of Health and Welfare]

Pemeran Pembantu

Lim Jung Min

as [Ophthalmology Professor]

Pemeran Pembantu

Lee Shin Sung

as Jeong Chan Seok

Pemeran Pembantu

Park Shi Wan

as Cha Yo Han [Young]

Bintang Tamu

Kim Do Hoon (김도훈)

as Park Jung Bo [Prisoner] (Ep. 1-4, 23)

Bintang Tamu

Geum Bo

as [Fishbone inmate] (Ep.1)

Bintang Tamu

Lee Seung Chul

as [Inmate 6124] (Ep. 1)

Bintang Tamu

Ha Do Kwon

as Joo Hyung Woo [Mixed Martial Arts Champion] (Ep.5-8, 28)

Bintang Tamu

Jung Hyun Seok

as [Hyung Woo’s doctor] (Ep. 5)

Bintang Tamu

Ha Kyung Min

as [Hyeong U’s doctor] (Ep. 5)

Bintang Tamu

Choi Eun Hoo

as [Hyung Woo’s son] (Ep.7)

Bintang Tamu

Jo Si Yeon

as [Hyung Woo’s daughter] (Ep.7)

Bintang Tamu

Seong Chan Ho

as [Doctor] (Ep.9)

Bintang Tamu

Son Hee Soon

as [Guardian on elevator] (Ep.9)

Bintang Tamu

Choi Min Geum

as [Pain Clinic] (Ep.10)

Bintang Tamu

Lee Joo Won

as Choi Seung Won [Patient in constant pain] (Ep.10)

Bintang Tamu

Han Tae Il

as [Bumps into man in Pain Clinic] (Ep.10)

Bintang Tamu

Yoon Chan Young (윤찬영)

as Lee Gi Seok [CIPA Patient] (Ep. 10-12, 24-28)

Bintang Tamu

Oh Yoo Na

as Yoo Ri Hye [Actress] (Ep.11)

Bintang Tamu

Cheon Young Min

as Lee Da Hae [Phantom limb patient] (Ep. 13-16)

Bintang Tamu

Lee Do Kyung

as Yoo Duk Gyu [Melioidosis Patient] (Ep.7, 13-14, 28)

Bintang Tamu

Kim Joo Ryoung

as Park Hyun Sook [‘Death talk’ attendee] (Ep.15-23)

Bintang Tamu

Im Byung Ki

as [‘Death talk’ discussion leader] (Ep.16)

Bintang Tamu

Choi Yoon Joon

as [Patient looking only for Cha Yo Han] (Ep.27)

Bintang Tamu

Shin Shin Beom

as [Patient thankful to Cha Yo Han] (Ep.27)

Bintang Tamu

Joey Albright

as Lucas Smith [Doctor] (Ep. 31)

Bintang Tamu

Seo Yoon Ah

as [Abdominal epilepsy patient] (Ep. 31-32)

Bintang Tamu

Moon Hak Jin

as Kim Jung Ho [3rd-year Resident Ophthalmology]

Bintang Tamu

Ham Sung Min

as Yoon Sung Kyu [Kidnapper / Cancer patient]

Bintang Tamu

Kim Kyul

as Sung Dong Ho [Anesthesiology Professor]

Bintang Tamu

Im Dong Jin

as Shim Joon Chul [Professor of Neurology]

Bintang Tamu

Lee Se Rang

as Kwon So Young

Bintang Tamu

Nam Sang Hee

as Soo Jin [Child with Pediatric Diabetes]

Bintang Tamu

Kang Ro Chae

as Han Min Joo

Bintang Tamu

Jang Hee Soo

as [Anesthesiology Professor]

Bintang Tamu

Kim Seung Hoon

as [Prison guard]

Bintang Tamu

Kim Hyo Kyung

as [Child with Diabetes]

Bintang Tamu

Yoon Jong Goo

as [Prison guard]

Bintang Tamu

Kwon Oh Jin

as [Park Jung Bo’s father]

Bintang Tamu

Ha Soo Ho

as [Joo Hyung Woo’s Manager]

Bintang Tamu

Kim Sa Hun

as [Emergency Room Doctor]

Bintang Tamu

Yong Jin

as [Prisoner]

Bintang Tamu

Park Mi Ri

as [Nurse]

Bintang Tamu

Lee Min Sik

Bintang Tamu

Lee Ah Jin

as [Mother of child with pediatric diabetes]

Bintang Tamu

Jun Eun Mi

as [Restaurant owner]

Bintang Tamu

Ahn Jae Jun

as [Guardian]

Bintang Tamu

Jeon Jeong Il

as [Middle-aged son]

Bintang Tamu

Kim Seung Hyun

as [Inmate]

Bintang Tamu

Jang Yu Jin

as Major

Bintang Tamu

Choi Yo Woon

as [Head nurse]

Bintang Tamu

Lee Dong Gyu (이동규)

as [Reporter]

Bintang Tamu

Shin Hee Gook

as [Intern]

Bintang Tamu

Kwak Na Yeon

as [Lobby scene]

Bintang Tamu

Kim Shi Woo

as [Photograph boy]

Bintang Tamu

Ahn Dong Yeob

as (Ep. 1)

Bintang Tamu

Lee Chang Won

Bintang Tamu

Seo Soo Min

as [Bookstore clerk]

Bintang Tamu

Kim Jung Han

as [Prisoner]

Bintang Tamu

Kim Mi Hye

as [Questioner]

Bintang Tamu

Park Si Won

Bintang Tamu

Kim Jung Hwan

as Ahn Seung Hyun [Reporter] (Ep. 8)

Bintang Tamu

Park Jin Young

as [Nurse]

Bintang Tamu

Moon Joo Won

as Lee Yoo Joon [Young]

Bintang Tamu

Kim Ah Ram

as [Guardian of elderly patient that dies in ICU]

Bintang Tamu

Kim I San

as [Husband]

Bintang Tamu

Kwak Gi Hun

as [Prisoner]

Bintang Tamu

Mun Seong Nam

Composer

Jo Soo Won

Sutradara

Kim Young Hwan

Sutradara

Kim Ji Woon

Screenwriter

Andreas Fronk

as UFC Fighter

Bit part

Noreen Joyce Guerra

as [Flight attendant]

Extras Casting