Cast from The Guard Post

Cheon Ho-jin

Sergeant Major Noh

Jo Hyun-jae

1st Lieutenant Yoo

Lee Young-hoon

Corporal Kang

Lee Jeong-heon

Doctor

Yu Tae-seong

1st Lt. Bang

Choi Gyu-hwan

Platoon leader

Yang Jae-young

Sergeant Joo

Shin Hyun-tak

Private Jung

Min Sung-wook

Sergeant Jo

Lee Seung-hun

Staff sergeant

Moon Jae-won

Private first class Kim

Lee Won

Corporal Baek

Ku Sung-hwan

Driver Soldier Byun

Kim Byung-chul

Staff Sgt. Yoon (present day)

Park Won-sang

General Koo (cameo)

Cho Jin-woong

Cook