Secret Reunion

Song Kang-ho

Lee Han-kyu

Gang Dong-won

Song Ji-won

Jeon Kuk-hwan

Shadow

Park Hyuk-kwon

Go Kyung-nam

Yoon Hee-seok

Son Tae-soon

Choi Jung-woo

National Intelligence Deputy

Kwon Beom-taek

Ji Myung-hoon

Jeong In-gi

Kim Sung-hak

Jo Hyun-wu

Seong-chul

Cha Yeob

Jae-hwan

Lee So-yoon

Hyoung-sook

Lee Jasmine

Du Lee-ahn

Park Yong-jin

Jang Yoo-shin

Lee Jong-gu

Priest Lee Ki-hoon

Ha Soo-ho

Suspicious Man

Park Jin-woo

Agent Tailing Tae-soon

Han Seung-do

Hallway Fighting Agent 1

Lee Nak-jun

Hallway Fighting Agent 2

Kim Young-woong

Min-cheol

Go Kyeong-min

Hyeong-wook

Shin Seung-yong

Apartment Complex Shooting Agent 1

Bae Yong-geun

Cryptologist

Lim Se-hwan

2006 Operator Agent

Ko Jung-min

Kim Sung-hak's Wife

Baek Seung-ik

Vietnamese Gang Member 1

Hong Seo-back

Vietnamese Gang Member 2

Seo Myeong-seok

Vietnamese Gang Member 3

Kim Kyeong-ran

Go Stop Grandmother 1

Joo Boo-jin

Go Stop Grandmother 2

Park Seong-yeon

Lee Han-kyu's Wife (voice)

Park Hyo-bin

Lee Han-kyu's Daughter

Yoo Ha-bok

Detective 1

Kim Moon-hak

Detective 2

Lee San-ho

Detective 3

Ko Chang-seok

Vietnam Boss

Park Soo-young

Regional Police Chief

Kim Kwang-kyu

Gyeongsang Province Director

Seong Hyeon-joon

National Intelligence Service Senior Official