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-baek 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