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