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.

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Cast

• 
  Kim Soo-hyun

  Won Ryu-hwan / Bang Dong-gu
• 
  Park Ki-woong

  Lee Hae-rang
• 
  Lee Hyun-woo

  Lee Hae-jin
• 
  Son Hyun-joo

  Kim Tae-won
• 
  Ko Chang-seok

  Seo Sang-gu
• 
  Kim Sung-kyun

  Seo Soo-hyuk

Crew

• Director · Jang Cheol-soo
• Producer · Kim Young-min
• Screenplay · Kim Bang-hyun
• Screenplay · Yoon Hong-gi
• Producer · Seo Yeon
• Producer · Kim Bang-hyun