Han Suk-kyu

Yu Jong-won

Yunjin Kim

Lee Myung-hyun

Choi Min-sik

Park Mu-young

Song Kang-ho

Lee Jang-gil

Yun Ju-Sang

Chief Agent

Park Yong-woo

Eo Seong-sik

Jo Deok-hyeon

Lee Won-doo

Kim Soo-ro

Ahn Hyun-chul

Nam Myung-ryeol

Kwan-ho

Hwang Jung-min

Special Investigation Team (cameo)

Ji Dae-han

OP Special Assault Team

Lee Seung-shin

Special Agent, North Korean 8th Squad (uncredited)

Park Ji-il

Team Leader, Defense Research Institute

Lee Jong-hyuk

Special Agent, North Korean 8th Squad (uncredited)

Jang Hyun-sung

Special Investigation Team (uncredited)

Lee Pil-mo

Special Agent, North Korean 8th Squad (uncredited)

Son Ho-gyun

Im Bong-ju

Yoo Ha-bok

Bodyguards

Cho Seung-yeon

Special Investigation Team (uncredited)

Lee Seung-yeon

Yoon Hee-won

OP Special Assault Team

Lee Jung-hoon

Heo Gi-ho

Lee Do-Hyung

Hong Dal-pyo