Composer
Director
Screenwriter
Main Role
-
-
Ahn Hyo Seop Main Role -
Lee Sung Kyoung Main Role -
Kim Joo Heon Main Role
Support Role
-
Shin Dong WookBae Mun Jeong [Orthopedic specialist at Doldam Hospital]Support Role -
So Ju Yeon Support Role -
Yoon Na Moo Support Role -
Jin Kyung Support Role -
Im Won Hee Support Role -
Byun Woo Min Support Role -
Kim Min Jae Support Role -
Lee Gyu HoMr. Koo [Staff at Doldam Hospital]Support Role -
Jung Ji AhnUm Hyeon Jeong [ER expert at Doldam Hospital]Support Role -
Ko Sang HoYang Ho Jun [Surgeon at Geodae medical centre]Support Role -
Park Hyo JuSim Hye Jin [Anesthesiologist at Geodae medical centre]Support Role -
Bae Myung JinHeo Yeong Gyu [Surgical PA at Geodae medical centre]Support Role -
Choi Jin Ho Support Role -
Yoon Bo RaJu Yeong Mi [Nurse at Doldam Hospital]Support Role -
Moon Ah Ram[Nurse at Doldam Hospital]Support Role -
Jo Jung Yoon[ER nurse at Doldam Hospital]Support Role -
Seo Hee[Nurse at Doldam Hospital nurse]Support Role -
Kim Yong JinChief Lee [Chief of Administration at Doldam Hospital]Support Role -
Lee Ho Chul[Loan shark]Support Role -
Im Chul Soo[Loan shark]Support Role -
Im Jae GeunParamedic HeoSupport Role -
Park Jong HwanIm Hyeon Jun [Doctor]Support Role -
Lee Min WoongRyu Jeong IlSupport Role
Guest Role
-
Jang Hyuk Jin Guest Role -
Yang Se Jong Guest Role -
Kim KwonLee Myeong Han (Ep. 1)Guest Role -
Shin Dong RyukIl Jung [Geodae Hospital doctor] (Ep. 1)Guest Role -
Joo HyunSin Myeong Ho [Former chairman] (Ep. 1)Guest Role -
Kim Hye Ran[Nurse] (Ep. 1)Guest Role -
Lee Seung Joon[Doctor] (Ep. 1)Guest Role -
Kyung Ki Hyun[Station employee] (Ep. 1)Guest Role -
Hwang Bo Kwon[Station employee] (Ep. 1)Guest Role -
Nam Jung Woo[Geodae Hospital doctor] (Ep. 1)Guest Role -
Kim Jong TaeProfessor O [CS specialist] (Ep. 1, 16)Guest Role -
Seo Jeong Hoo[119 operator] (Ep. 2)Guest Role -
Seo Myung Chan[Military officer] (Ep. 2)Guest Role -
Gu Bon Jin[Lieutenant commander] (Ep. 2)Guest Role -
Kwon Hyuk SooRyu Ung Il [Minister] (Ep. 2-4)Guest Role -
Jeon Jin OhLee Dae Yeong [Minister Ryu's bodyguard] (Ep. 2-4)Guest Role -
Kwon Ban Suk[Reporter] (Ep. 2-3)Guest Role -
Jung Young Hoon[Security] (Ep. 3)Guest Role -
Ahn Soo Bin[TV reporter] (Ep. 3)Guest Role -
Kim Hong PaYeo Un Yeong [President of Doldam Hospital] (Ep. 3-6, 14-16)Guest Role -
Im Jae HaSeo U Jin [Young] (Ep. 5)Guest Role -
Kim Soo MinSu Jin [Patient] (Ep. 5)Guest Role -
Jin Yong Wook[Su Jin's father] (Ep. 5)Guest Role -
Kim Ga Young[Su Jin's mother] (Ep. 5)Guest Role -
Kwak Ja HyungLee Jang Sik [Gangster #2] (Ep. 5-6)Guest Role -
Hwang Jae YeolDetective Ko [Police detective] (Ep. 5-6, 10)Guest Role -
Lee Sung Woo[Gangster #3] (Ep. 5-6, 14)Guest Role -
Kim Dong Hyun[Violent husband] (Ep. 5, 7-8)Guest Role -
Cherish Maningat[Domestic abused victim] (Ep. 5, 7-8)Guest Role -
Yoon Cha YoungSu Yeon (Ep. 6)Guest Role -
Min Sang Woo[Chest patient] (Ep. 6)Guest Role -
Kim Ki Ryung[Fishbone boy's mom] (Ep. 7)Guest Role -
Kang You SeokJun Yeong [Prisoner] (Ep. 8)Guest Role -
Kim JinChoi Sun Yeong [Paramedic] (Ep. 8)Guest Role -
Woo Hyun Joo[Jun Yeong's mother] (Ep. 8)Guest Role -
Lee Ji Hyun[Sun Yeong's mother] (Ep. 8)Guest Role -
Hong Suk Youn[Violent drunk man] (Ep. 8)Guest Role -
Jung Hyun Seok[Organ transplant doctor] (Ep. 8)Guest Role -
Kim Noh JinJung Ga Yeong [Rape victim] (Ep. 9-10)Guest Role -
Ji Hye WonSeo Se Yeong [Trainee nurse] (Ep. 9-10)Guest Role -
Choi Yun Seol[Bus passenger] (Ep. 9-10)Guest Role -
Park Joo Yong[119 paramedic] (Ep. 9-10)Guest Role -
Lee Ji Hae[Pregnant bus passenger] (Ep. 9-10)Guest Role -
Go Byung Taek[Bus passenger with leg injury] (Ep. 9-10)Guest Role -
Park Ki Ryung[Yun Wan's associate] (Ep. 9, 16)Guest Role -
Lee Yoon Sang[Yun Wan's associate] (Ep. 9, 16)Guest Role -
Park Sung Il[Police officer in ER] (Ep. 10)Guest Role -
Jang Eui Don[Local police officer] (Ep. 10)Guest Role -
Song Chang GyuSong Chang Gyu (Ep. 11)Guest Role -
Kang Suk WonHyeong Jun [U Jin's ex colleague] (Ep. 11)Guest Role -
Park Ga Young[Nurse] (Ep. 11)Guest Role -
Cheon So Ra[Nurse] (Ep. 11)Guest Role -
Son Sang YeonKang Ik Jun [VIP patient] (Ep. 11-15)Guest Role -
Seo YoungManager Ju (Ep. 12-13, 15-16)Guest Role -
Ahn Soo Ho[Tow yard worker] (Ep. 12-13)Guest Role -
Kim Seo WonLee Dong U [Amputee] (Ep. 13)Guest Role -
Jung Hyun Joon[Dong U's son] (Ep. 13)Guest Role -
Han Sang Chul[Hiker] (Ep. 15)Guest Role -
Lee Young Shil[Patient's wife] (Ep. 15)Guest Role -
Kang Hyung Suk[Ik Jun's brother] (Ep. 15)Guest Role -
Jeong Bo Seok[Mun Jeong’s father] (Ep. 15-16)Guest Role -
Kim Hye EunSin Hyeon Jeong [Chairwoman] (Ep. 16)Guest Role -
Kim Kyung IlNa Ho Min [Professor]Guest Role -
Lee Do HyeLee Ji Eun [Nurse]Guest Role -
Kim Ji Su[Nurse]Guest Role -
Jeong Su Hwan[Patient]Guest Role -
Yu Seung Il[Chest surgeon]Guest Role -
Lee Bo Ra(Ep. 7)Guest Role -
Go Seo HeeSeung Hui (Ep. 13)Guest Role
Unknown
-
Jwa Chae Won Unknown -
Jung Ji Hwan Unknown -
Kim Hwa Young Unknown
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