한석규

Yu Jong-won

김윤진

Lee Myung-hyun

최민식

Park Mu-young

송강호

Lee Jang-gil

윤주상

Chief Agent

박용우

Eo Seong-sik

조덕현

Lee Won-doo

김수로

Ahn Hyun-chul

남명렬

Kwan-ho

황정민

Special Investigation Team (cameo)

지대한

OP Special Assault Team

이승신

Special Agent, North Korean 8th Squad (uncredited)

박지일

Team Leader, Defense Research Institute

이종혁

Special Agent, North Korean 8th Squad (uncredited)

장현성

Special Investigation Team (uncredited)

이필모

Special Agent, North Korean 8th Squad (uncredited)

Son Ho-gyun

Im Bong-ju

유하복

Bodyguards

조승연

Special Investigation Team (uncredited)

이승연

Yoon Hee-won

OP Special Assault Team

이정훈

허기호

Lee Do-Hyung

홍달표