Northern Limit Line

Kim Hak-soon

Director

Mu-Yeol Kim

Captain Yoon Young-ha

Jin Goo

Staff Sergeant Han Sang-kook

Hyun-Woo Lee

Medic Park Dong-hyeok

Chung-Ah Lee

Captain Choi

Eui-soo Jang

Corporal Kim Myeon-soo

Lee Gun

Corporal Kwon Gi Hyung

Kang Han-Saem

Kwon Ki Hyung

Chang-Hyeon Han

Squadron leader

Hwa-Woon Kwon

Corporal Kim Seung-hyeon

Hwang In-moo

Radar chief

Seonwoo Jae-Deok

Yoon Doo-ho (Younger)

Ji Hoon Kim

Jo Chun Hyung

Jong-hwan Choi

North Korean high rank executive

Mu-Young Hwang

North Korean Army Agent 2

Jo Sung-hee

Army surgeon

Wan Lee

Major Lee Hee-wan

Han Yi-jin

Sergeant Lee

Soon-jo Choi

Writer

Kim Hak-soon

Writer