Secretly, Greatly

Three elite North Korean sleeper agents live under cover for so long that they believe their cover stories are their real identities. They are shocked when they are ordered to kill one another or face death at the hands of an elite hit team.

CAST

Kim Soo-hyunWon Ryu-hwan / Bang Dong-gu

Park Ki-woongLee Hae-rang

Lee Hyun-wooLee Hae-jin

Son Hyun-jooKim Tae-won

Park Hye-sookSun-im

Ko Chang-seokSeo Sang-gu

Kim Sung-kyunSeo Soo-hyuk

Jang KwangKo

Shin Jung-keunMr. Park

Hong Kyung-inJo Doo-seok

Lee Chae-youngRan

Park Eun-binYoon Yoo-ran

Choi Woo-shikYoon Yoo-joon

Goo Seung-hyunHwang Chi-woong

Um Tae-gooHwang Jae-oh