Secretly, Greatly (2013)

Name: Secretly, Greatly
Released: 2013

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.

Genres: Action, Drama, Comedy

What to watch after Secretly, Greatly

The Terror Live (2013) — Two steps away in the credits
Commitment (2013) — Same subject: spy, inter-korean relations
Traitor (2008)
A Hard Day (2014) — Shin Jung-keun appears in both
The Berlin File (2013) — Same subject: spy, inter-korean relations
The Man Standing Next (2020) — Same subject: politics