송승헌

Colonel Kim Jin-pyeong

임지연

Jong Ga-heun

조여정

Lee Sook-jin

온주완

Kyung Woo-jin

유해진

Lim

박혁권

Lieutenant Colonel Choi

Jang Yun-sil

Unit 4 Woman

김혜나

Unit 6 Woman

Um Tae-goo

Warrant Officer Kim

Han Ha-yoo

Hanbok Woman Fairy

이승준

Chief Medical Officer (uncredited)

배성우

Jo Hak-soo (uncredited)

전혜진

Lieutenant Colonel Choi's Wife (uncredited)

예수정

Woo-jin's Mother (uncredited)

연제욱

Patient