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-ran as Mother

Jang Min-ho as Old Lee Jin-seok

Jo Yoon-hee as Jin-seok's Grandaughter

An 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