When a natural disaster strikes Seoul, a team of medical doctors and emergency personnel struggle to deal with its aftermath.
| Title | D-Day |
|---|---|
| Alternative Titles | Di Dei, The Big One, D-Day |
| Subtitle Available |
 ETC.
|
| First Air Date | 2015-09-18 |
| Last Air Date | 2015-11-21 |
| Number of Episodes | 20 |
| Number of Seasons | 1 |
| Genres | Drama, |
| Networks | JTBC, |
| Casts | Kim Young-kwang, Jung So-min, Ha Seok-jin, Kim Jung-hwa, Kim Sang-ho, Kim Hye-eun, Yoon Joo-hee, Lee Kyung-young, Cha In-pyo, Lee Sung-yeol, Kim Jae-hwa |
| Plot Keywords | , |
Lee Hae Sung
Kim Young-kwang
Jung Ddol Mi
Jung So-min
Han Woo Jin
Ha Seok-jin
Eun So Yool
Kim Jung-hwa
Choi Il Sup
Kim Sang-ho
Kang Joo Ran
Kim Hye-eun
Park Ji Na
Yoon Joo-hee
Park Gun
Lee Kyung-young
Goo Ja Hyuk
Cha In-pyo
Ahn Dae Gil
Lee Sung-yeol
Kim Hyun Sook
Kim Jae-hwa
Lee Woo Sung
Jin-ho Song
Park Yoon Sook
Lee Kyung-jin
Yoo Myung Hyun
Ko Kyu-phil
![Lee Woo Sung [Hae Sung's brother, firefighter]](https://image.tmdb.org/t/p/w45/rGUi1dLg0ETQuPxD0jO7EfzN5Ko.jpg){kind=small}
Lee Woo Sung [Hae Sung's brother, firefighter]
Song Ji-ho
