The Spy: Undercover Operation

Sul Kyung-gu

Chul-soo

Moon So-ri

Young-hee

Daniel Henney

James Ryan / Kim Min-chul

Han Ye-ri

Baek Seol-hee

Ra Mi-ran

Yakult delivery woman

Song Jae-ho

Dae Tong-ryeong

Ko Chang-seok

Department head Jin

Kim So-jin

Agent

Jung In-gi

Yeom Sa-jang

Kim Ji-young

Chul Soo's mother

Jo Young-jin

Chief Secretary

Seo Hyun-woo

Dispatch agent

Jo Yong-seok

Commander

Kang Seok-chul

Situation room agent

Matthew Douma