Kim Soo-hyun
Won Ryu-hwan / Bang Dong-gu
Three elite North Korean sleeper agents live undercover for so long that they believe their cover stories are their real identities. They're shocked when they are ordered to kill one another or face death at the hands of an elite hit team.
Eunmilhage widaehage
Won Ryu-hwan / Bang Dong-gu
Lee Hae-rang
Lee Hae-jin
Kim Tae-won
Sun-im
Seo Sang-gu
Seo Soo-hyuk
Ko
Mr. Park
Jo Doo-seok
Ran
Yoon Yoo-ran
Yoon Yoo-joon
Hwang Chi-woong
Hwang Jae-oh
NIS General Manager
Se-yoong
Kim Hui-gwan
Chi-woong's Mother
NIS
Director
