Han Suk-kyu

Yu Jong-won

Yunjin Kim

Lee Myung-hyun

Choi Min-sik

Park Mu-young

Song Kang-ho

Lee Jang-gil

Yoon Joo-sang

Chief Agent

Park Yong-woo

Eo Seong-sik

Jo Deok-hyeon

Lee Won-doo

Kim Soo-ro

Ahn Hyun-chul

Kim Sang-mi

Soo

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)

Yeo Ho-min

OP Special Assault Team

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 Yoon-geon

OP Task Force Agent

Ha Duk-sung

Dr. Min

Lee Do-Hyung

Han Young-su

OP Agent

Sung Gyu-chan

Hong Dal-pyo

Jeon Gi-gwang

Wu Sang-moo

Newspaper Collection Youth

Ra Kyung-duk

Jeong Seung-woo

OP Special Assault Team

Choi Yeong

Park Eun-sook

Lee Bang-hee