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
Park Ha
Lee Bang-hee
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
Seung-shin Lee
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
Jeong Seung-woo
OP Special Assault Team
Cho Seung-yeon
Special Investigation Team (uncredited)
Yoon Hee-won
OP Special Assault Team
Lee Yoon-geon
OP Task Force Agent
Ha Duk-sung
Dr. Min
Wu Sang-moo
Newspaper collection youth
Han Young-su
OP Agent