Where to watch
Not available in United States
Streaming in 1 other country
National Security isn't on any streaming service in United States right now, but it's available in South Korea. Streaming rights are licensed per country.
Cast · Directed by Chung Ji-young
PW
Park Won-sang
Kim Jong-tae
LK
Lee Kyung-young
Lee Doo-han
DB
Dong Bang-woo
Executive Director Park
KE
Kim Eui-sung
Manager Kang
SD
Seo Dong-soo
Section Chief Baek
KJ
Kim Joong-ki
Section Chief Lee
LC
Lee Chun-hee
Section Chief Kim
MS
Moon Sung-keun
President Yoon
WH
Woo Hee-jin
Kim Jong-tae's wife
KI
Kang In-hyung
Medic
HS
Han Seung-do
Secretary
PS
Park Seong-geun
Detective
More from Park Won-sang · Lead actor
More from Lee Kyung-young · Co-star actor
More from Chung Ji-young · Director
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National Security — streaming FAQ
Which OTT platform streams National Security?
National Security isn't on any streaming service in United States yet, but it's available in South Korea. Streaming rights differ by country — switch your country in the header to see where.
Is National Security on Netflix?
No, National Security is not on Netflix in United States as of September 2026.
Is National Security on Amazon Prime Video?
No, National Security isn't on Amazon Prime Video in United States right now.
Where can I watch National Security for free?
National Security isn't streaming in United States yet, so there's no way to watch it free at the moment.
Is National Security based on a true story?
Yes — National Security is based on true events, dramatising real people and events (some details may be fictionalised for the screen).
