Song Seung-heon

Colonel Kim Jin-pyeong

Im 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

Jeon Hye-jin

Lieutenant Colonel Choi's Wife

Um Tae-goo

Warrant Officer Kim

Ye Su-jeong

Woo-jin's Mother

Son Ji-na

Ga-heun's mother

Jung Sang-cheol

Chief of Staff

Kim Hye-na

Unit 6 Woman