Three Black Triangles poster
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Three Black Triangles

7.019771h 29mMovieThrillerAction

The Public Security Bureau intercept a telegram notifying foreign agents to retrieve the "110 secret". Shi Yan, head of the Reconnaissance Section, starts a campaign of counter-espionage, but one of his agents is soon killed on board a train.

DirectorsChen Fangqian·Liu Chunlin
WriterYingjie Li

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Three Black Triangles was released on January 1, 1977 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Chen Fangqian

LMLei Ming
Lei Ming
Shi Yan
LYLing Yuan
Ling Yuan
Yu Huangshi
LJLiu Jia
Liu Jia
Yu Qiulan
PZPing Zhang
Ping Zhang
Hong
BJBi Jianchang
Bi Jianchang
Lu Deqin
QWQin Wen
Qin Wen
Liu
CCCao Cuifen
Cao Cuifen
ZYZhang Yan
Zhang Yan
FHFang Hui
Fang Hui
LLLin Li
Lin Li
WH
Wang Huiming
LL
Li Lao

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Three Black Triangles — streaming FAQ

Which OTT platform streams Three Black Triangles?

Three Black Triangles isn't streaming anywhere in United States yet.

Is Three Black Triangles on Netflix?

No, Three Black Triangles is not on Netflix in United States as of August 2026.

Is Three Black Triangles on Amazon Prime Video?

No, Three Black Triangles isn't on Amazon Prime Video in United States right now.

Where can I watch Three Black Triangles for free?

Three Black Triangles isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Three Black Triangles?

Three Black Triangles hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 19, 1977. This is a prediction, not a confirmed date.