Mou gaan dou (Infernal Affairs)
Mou gaan dou (Infernal Affairs) (2002)

As Infernal Affairs opens, Ming (Andy Lau of Full-time Killer) is being initiated into the criminal underworld by triad boss Sam (Eric Tsang of The Accidental Spy), who ends his speech to his young charges by wishing them success in the… More

Rated: R
Running Time:
Release Date: December 12, 2002
DVD Release Date: December 7, 2004
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Critic Score: 95% Rotten Tomatoes™ Critic Reviews

Consensus: Smart and engrossing, this is one of Hong Kong's better cop thrillers.

G. Allen Johnson
San Francisco Chronicle

Everything you'd want in a police action thriller: powerhouse performances, Grade A production values, a good script and suspenseful direction.

Full review…
Colin Covert
Minneapolis Star Tribune

A beautifully crafted, exciting story that keeps on surprising you to the very end.

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Emanuel Levy

Seductively shot and beautifully acted, this is like a summation film, bringing together all the themes, motifs, mood, and style of the gritty policier Hong Kong thriller, one that will make John Woo and Michael Mann proud.

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Allison Benedikt
Chicago Tribune

Beauty in its consistent, washed-out blues and silvers, grace in its understated, intense male performances and energy in its unyielding commitment to tone and tension.

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Tom Long
Detroit News

This is what movies are supposed to feel like -- provocative, exciting, chilling, complex and fully engaging.

Jeffrey M. Anderson
Combustible Celluloid

This intense, explosive Hong Kong thriller ushers in a new era of hyper-intelligent action.

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Roger Ebert
Chicago Sun-Times

What makes it special is the inner turmoil caused by living a lie. If everyone you know and everything you do for 10 years indicates you are one kind of person, and you know you are another, how do you live with that?

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Susan Walker
Toronto Star

Skilfully directed by cinematographer Andrew Lau Wai-Keung, Infernal Affairs has the feel of a made-for-prime-time U.S. police thriller.

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Dragan Antulov
Draxblog Movie Reviews

well-written, well-directed and well-acted genre film

Full review…

Flixster Audience Score: 95% Flixster User Reviews
Carlos Magalh„es
A very smart and taut thriller that prefers to focus on its characters and the relationship between them instead of jumping into action, shootings and twists as… More
xGary Xx
Two cops face off against each other in a race against time to discover their respective identities; one honest, working within a drug runner's gang and… More
Letitia Lew
Saw it a long time ago but didn't fully grasp it. Rewatched it in October 2015. Thoughts: while the Hollywood version is more polished and higher… More
Cynthia S.
Apparently, the original movie that inspired the American movie The Departed. I did not know this going in, but now I see the connection. Fantastic stuff here!… More
Al S
An explosive crime-thriller. It's Heat meets Resivor dogs. Sets new standards for the cops and criminals genre. It's superb and magnificent. A tense,… More
Lewis C.
Unfortunately I saw The Departed first, so I didn't get to go into Infernal Affairs as a fresh experience. Still, it's a tense, taunt thriller… More