Song Seung-heon

as Colonel Kim Jin-pyeong

Lim Ji-yeon

as Jong Ga-heun

Cho Yeo-jeong

as Lee Sook-jin

On Ju-wan

as Kyung Woo-jin

Yoo Hai-jin

as Lim

Park Hyuk-kwon

as Lieutenant Colonel Choi

Jang Yun-sil

as Unit 4 Woman

Kim Hye-na

as Unit 6 Woman

Um Tae-goo

as Warrant Officer Kim

Han Ha-yoo

as Hanbok Woman Fairy

Lee Seung-joon

as Chief Medical Officer (uncredited)

Bae Sung-woo

as Jo Hak-soo (uncredited)

Jeon Hye-jin

as Lieutenant Colonel Choi's Wife (uncredited)

Ye Su-jeong

as Woo-jin's Mother (uncredited)

Jung Sang-cheol

as Chief of Staff

Yeon Je-wook

as Patient