Jang Dong-gun
as Lee Jin-tae

Won Bin
as Lee Jin-seok

Lee Eun-ju
as Kim Young-shin

Gong Hyung-jin
as Yong-man

Lee Young-lan
as Mother

Jang Min-ho
as Old Lee Jin-seok

Jo Yoon-hee
as Jin-seok's Grandaughter

Ahn Kil-kang
as Sergeant Huh

Park Gil-su
as Excavation Team Leader

Jung Jin
as Pfc. Im

Jo Woon
as Platoon Soldier #1

Hwang Taek-ha
as Platoon Soldier #2

Cho Won-hee
as Battalion Commander

Yoon Hee-won
as Platoon Leader

Jeon Jae-hyeong
as Yong-seok

Choi Min-sik
as North Korean Captain

Kim Hae-gon
as New Battalion Commander

Kim Soo-ro
as Anti-Communist Federation Member

Jung Ho-bin
as North Korean Officer

Jung Doo-hong
as Adviser

Park Dong-bin
as People's Army Platoon Commander

Min Ji-Hyuk
as BAR Shooter

Kim Bo-kyung
as North Korean War Prisoner #3

Jeong Gi-seop
as Medic #2

Kwon Tae-won
as Colonel

Lim Hyung-jun
as Young Man at Political Group

Park Su-il
as Counterintelligence Officer

Park Jong-moo
as Battalion Soldier

Park Jeong-Woo
as Recruiting Officer

Yeom Cheol-ho
as Recruited Soldier

Kim Tae-beom
as Recruited Soldier

Jeong Dae-hoon
as North Korean Boy Solider

Bae Jang-su
as Noodles guest

Hyun Seung-jin
as Jung Bak-ah

Jeon In-geol
as People's Army being slaughtered

Jeon Seung-jae
as People's Army Warrior

Ju Myeong-cheol
as People's Army #1

Kim Man-gi
as Squad Leader Sgt. Kim