Pemeran D-Day

Kim Young Kwang (김영광)

as Lee Hae Sung

Pemeran Utama

Jung So Min (정소민)

as Jung Ddol Mi

Pemeran Utama

Ha Seok Jin (하석진)

as Han Woo Jin

Pemeran Utama

Lee Kyung Young

as Park Geon

Pemeran Utama

Kim Hye Eun

as Kang Joo Ran [Doctor]

Pemeran Pembantu

Yoon Joo Hee

as Park Ji Na [Nurse]

Pemeran Pembantu

Kim Jung Hwa

as Eun So Yool [Psychiatrist]

Pemeran Pembantu

Lee Sung Yeol

as Ahn Dae Gil [Intern]

Pemeran Pembantu

Lee Kyung Jin

as Park Yoon Sook [Geon's older sister, hospital president]

Pemeran Pembantu

Yeo Moo Young

as Yoo Young Tak [Yoon Sook's husband, hospital president]

Pemeran Pembantu

Ko Kyu Pil

as Yoo Myung Hyun [Doctor]

Pemeran Pembantu

Kim Jae Hwa

as Kim Hyun Sook [Nurse]

Pemeran Pembantu

Joo Hyun Jin

as On Jung Won [Nurse]

Pemeran Pembantu

Kim Sang Ho

as Choi Il Sub [Firefighter]

Pemeran Pembantu

Song Ji Ho

as Lee Woo Sung [Hae Sung's brother, firefighter]

Pemeran Pembantu

Kim Ki Moo

as Cha Ki Woong

Pemeran Pembantu

Ri Min

as Kang Seung Heun [Homeless man]

Pemeran Pembantu

Wi Yang Ho

as Mr. Go [Na Ri's father]

Pemeran Pembantu

Lee Young Eun

as Go Na Ri

Pemeran Pembantu

Choi Seung Hoon

as Sung Dong Ha [Joo Ran's son]

Pemeran Pembantu

Kim Min Hyung

as Kim Young Sub

Pemeran Pembantu

Ho Hyo Hoon

as Jung Min Chul

Pemeran Pembantu

Cha In Pyo

as Goo Ja Hyuk [Joo Ran's boyfriend]

Pemeran Pembantu

Yeo Woon

as Yoo Se

Pemeran Pembantu

Seo Kap Sook

as [Woo Jin's mother]

Pemeran Pembantu

Lee Yoo Soo

as Chief Seo

Pemeran Pembantu

Kim Gun

as (Ep. 5)

Bintang Tamu

Kim Chul Ki

as Oh Min Ho [Twins' father]

Bintang Tamu

Shin Chul Jin

as [Lee Hae Sung's patient]

Bintang Tamu

Lee Yoon Hee

Bintang Tamu

Shin Shin Beom

Bintang Tamu

Sung Chang Ho

as [Injured reinforcement man]

Bintang Tamu

Gil Yong Woo

as [President]

Bintang Tamu

Shin Moon Sung

as [Arm patient]

Bintang Tamu

Seol Chang Hee

Bintang Tamu

Suh Sang Won

Bintang Tamu

Yeo Woon Bok

Bintang Tamu

Park Seung Joon

as (Ep.5)

Bintang Tamu

Kang Moon Kyung

Bintang Tamu

Hwang Tae Kwang

as general affairs section chief

Bintang Tamu

Lee Da Hae

as [Kindergarten Teacher]

Bintang Tamu

Jang Yong Woo

Sutradara

Hwang Eun Kyung

Screenwriter