Episode 4 S01 E04

Jang Hyuk (as Kwon Do-hun) Jang Na-ra (as Kang Yu-ra) Chae Jung-an (as Chief Oh Cheon-ryeon) Kim Nam-hee (as Jo Tae-gu) Lee Soon-jae (as Kwon Ung-su) Kim Kang-min (as Kwon Ji-hun) Yun Sang-jeong (as Lee Mi-rim) Gabee (as Ma Young-ji) Lee Chae-young (as Yun Chae-ri) Son Sook (as Kim Sin-ae) Lee Ju-won (as Im Jae-yeol) Jeong Min-jun (as Kim Bo-seok) Shin Su-a (as Kwon Min-seo) Kim Hye-na (as Butterfly) Choi Young-jun (as Warrior) Cha In-pyo (as Lee Jeong-mok)

spy sniper secret agent romance trader hidden identity married life double identity national intelligence service (nis) thriller action