Song Kang-ho

as Lee Han-kyu

Gang Dong-won

as Song Ji-won

Jeon Kuk-hwan

as Shadow

Park Hyuk-kwon

as Go Kyung-nam

Yoon Hee-seok

as Son Tae-soon

Choi Jung-woo

as National Intelligence Deputy

Kwon Beom-taek

as Ji Myung-hoon

Jeong In-gi

as Kim Sung-hak

Jo Hyun-wu

as Seong-chul

Cha Yeob

as Jae-hwan

Lee So-yoon

as Hyoung-sook

Lee Jasmine

as Du Lee-ahn

Park Yong-jin

as Jang Yoo-shin

Lee Jong-gu

as Priest Lee Ki-hoon

Ha Soo-ho

as Suspicious Man

Park Jin-woo

as Agent Tailing Tae-soon

Han Seung-do

as Hallway Fighting Agent 1

Lee Nak-jun

as Hallway Fighting Agent 2

Kim Young-woong

as Min-cheol

Go Kyeong-min

as Hyeong-wook

Shin Seung-yong

as Apartment Complex Shooting Agent 1

Bae Yong-geun

as Cryptologist

Lim Se-hwan

as 2006 Operator Agent

Ko Jung-min

as Kim Sung-hak's Wife

Baek Seung-ik

as Vietnamese Gang Member 1

Hong Seo-back

as Vietnamese Gang Member 2

Seo Myeong-seok

as Vietnamese Gang Member 3

Kim Kyeong-ran

as Go Stop Grandmother 1

Joo Boo-jin

as Go Stop Grandmother 2

Park Seong-yeon

as Lee Han-kyu's Wife (voice)

Park Hyo-bin

as Lee Han-kyu's Daughter

Yoo Ha-bok

as Detective 1

Kim Moon-hak

as Detective 2

Lee San-ho

as Detective 3

Ko Chang-seok

as Vietnam Boss

Park Soo-young

as Regional Police Chief

Kim Kwang-kyu

as Gyeongsang Province Director