Song Seung-heon

Colonel Kim Jin-pyeong

Lim Ji-yeon

Jong Ga-heun

Cho Yeo-jeong

Lee Sook-jin

On Ju-wan

Kyung Woo-jin

Yoo Hai-jin

Lim

Park Hyuk-kwon

Lieutenant Colonel Choi

Jang Yun-sil

Unit 4 Woman

Kim Hye-na

Unit 6 Woman

Um Tae-goo

Warrant Officer Kim

Han Ha-yoo

Hanbok Woman Fairy

Lee Seung-joon

Chief Medical Officer (uncredited)

Bae Sung-woo

Jo Hak-soo (uncredited)

Jeon Hye-jin

Lieutenant Colonel Choi's Wife (uncredited)

Ye Su-jeong

Woo-jin's Mother (uncredited)

Jung Sang-cheol

Chief of Staff

Yeon Je-wook

Patient