Sul Kyung-gu

as Chul-soo

Moon So-ri

as Young-hee

Daniel Henney

as James Ryan / Kim Min-chul

Han Ye-ri

as Baek Seol-hee

Ra Mi-ran

as Yakult delivery woman

Song Jae-ho

as Dae Tong-ryeong

Ko Chang-seok

as Department head Jin

Kim So-jin

as Agent

Jeong In-gi

as Yeom Sa-jang

Kim Ji-young

as Chul Soo's mother

Jo Young-jin

as Chief Secretary

Seo Hyun-woo

as Dispatch agent

Jo Yong-seok

as Commander

Kang Seok-chul

as Situation room agent

Matthew Douma

Kang Moon-kyung

as Diplomat

Choi Ji-woong

as Battle Police Team Leader

Moon Kyung-min

as Aide

Kang Suk-won

as Situation room agent

Kim Song-il

as Chinese camouflage agent

Yang Do-hyun

as Incheon Harbor medical examiner

Park Jae-hong

as Helicopter pilot

Han Seo-yeon

as OB-GYN nurse

Lee Na-ra

as Flight Attendant

Kahlid Elijah Tapia

as USA cover agent

Han Kuk-jin

as Firefighter helicopter pilot

Kim Lee-woo

as Japanese Camouflage Agent

Park Eun-young

as Older aunt on father's side

Park Sang-hyun

as Thailand's spy

Lim Jae-min

as Thai van agent

Park Ji-yeon

Kyul Hwi

as Situation room agent

Dean Dawson

as Head CIA Agent

Lee Sae-ro-mi

as Aunt

Choi Ri-ho

as Thailand Hotel Agent

Kim Tae-eung

as National Intelligence Service Bodyguard 3