Hwang Jung-min as Heuk Geum-seong / Park Seok-yeong

Lee Sung-min as Ri Myeong-woon

Cho Jin-woong as Choi Hak-seong

Ju Ji-hoon as Section Chief Jeong Moo-taek

Jeong So-ri as Lee Hong-seol

Kim Hong-pa as Kim Myung-soo

Ki Joo-bong as President Kim Jong-il

Kim Eung-soo as Department Head Kim

Chae Yong as Hwang Byeong-cheol

Park Sung-woong as Han Chang-joo

Park Jin-young as Kim Jang-hyeok

Nam Moon-chul as National Assembly Member Park

Choi Byung-mo as National Assembly Member Yoo

Kim In-woo as Kiyohara

Kwak Ja-hyung as Jang Seong-hoon

Kim So-jin as Chang-joo's Wife

Jeong Gi-seop as NIS Planning Agent #1

Lee Seung-joon as Security Agent #1

Choi Jeong-in as Seok-yeong's Wife

Kim Hyun as Real Estate Agent

Min Moo-je as Southern Spy

Keum Sae-rok as President's Bodyguard #3

Lee Dong-hee as Photographer

Kang Jun-seok as Panmunjeom NKPA

Park Won-Hee as Asylum Commander

Hong Gi-jun as Successor Officer

Kim Kyu-baek as Army Personnel

Oh Gyeong-hwa as Market Woman

Kim Woo-hyeon as Reporter

Seol Chang-hee as Reporter

Oh Jin-ha as Ad Studio Reporter #7

Lee Hyo-ri as Self

Kim Byeong-ok as Dr. Jang

Hwang In-sung as Announcer

Park Woo-jae as Safe House Guard

Yoon Jae-in as Reporter

Park Kyung-chan as Colonel

Heo Seung as Officer

Lee Sang-won as Safe House Guard

Joo Hae-eun as North korean agent

Kwon Beom-taek as Sexer

Yoon Dae-yeul as Guard Soldier 1

Kang Deok-joong as North Korean Border Guard

Jeong Han-bin as Bombshell Blast Corps

Yang Hyun-min as Security Agent 2

Cha Ji-heon as Section Chief Jeong's Wife

Eom Ji-man as Ministry of State Security Agent

Kwak Jin-seok as Beijing Agent 1

Kim Jong-soo as Chairman Kim's Voice

Kim Ji-na as Trading Corporation Employee

Kim Kwang-hyeon as National Security Agency Agent

Darin Shaw as Peter Watson

Baek Seung-ik as Security Agent 5

Han Soo-hyun as Advertisement Cinematographer

Seo Suk-kyu as Vote Telecast Bystander 2

Kim Sung-kang as Security Agent

Ryu Sung-hyun as Train Customs Officer

Kim Dae-jung as Self (archive footage) (uncredited)

Lee Hoi-chang as Self (archive footage) (uncredited)