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Infernal Affairs (2002)
"Mou gaan dou" (original title)

8.1
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Ratings: 8.1/10 from 78,116 users   Metascore: 75/100
Reviews: 178 user | 160 critic | 19 from Metacritic.com

A story between a mole in the police department and an undercover cop. Their objectives are the same: to find out who is the mole, and who is the cop.

Directors:

(as Andrew Lau) ,

Writers:

,
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Title: Infernal Affairs (2002)

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Cast

Cast overview, first billed only:
...
...
Chen Wing Yan (as Tony Leung)
...
SP Wong Chi Shing (as Anthony Wong)
...
Kelly Chen ...
...
...
...
Elva Hsiao ...
May
...
Ka Tung Lam ...
Inspector B (as Lam Ka Tung)
Ting Yip Ng ...
Inspector Cheung (as Ng Ting Yip)
Dion Lam ...
Chi Keung Wan ...
Officer Leung (as Wan Chi Keung)
Hui Kam Fung ...
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Storyline

Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst. Written by Aya

Plot Summary | Plot Synopsis

Taglines:

Loyalty. Honor. Betrayal. See more »


Motion Picture Rating (MPAA)

Rated R for violence | See all certifications »

Parents Guide:

 »
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Details

Official Sites:

| |  »

Country:

Language:

| |

Release Date:

12 December 2002 (Hong Kong)  »

Also Known As:

Infernal Affairs  »

Box Office

Opening Weekend:

$25,680 (USA) (24 September 2004)

Gross:

$89,594 (USA) (15 October 2004)
 »

Company Credits

Show detailed on  »

Technical Specs

Runtime:

| (director's cut)

Sound Mix:

Aspect Ratio:

2.35 : 1
See  »
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Did You Know?

Trivia

When referencing this film as the inspiration for the Best Picture-winning The Departed (2006), the announcer at the 79th Academy Awards mistakenly identified the Hong Kong production as Japanese. See more »

Goofs

Changes in the time on the clock in the living room when the cop is listening to the CD that's been dropped off for him. See more »

Quotes

Lau Kin Ming: I have no choice before, but now I want to turn over a new leaf.
Chan Wing Yan: Good. Try telling that to the judge; see what he has to say.
Lau Kin Ming: You want me dead?
Chan Wing Yan: Sorry, I'm a cop
Lau Kin Ming: Who knows that?
See more »

Connections

Spoofed in McDull, the Alumni (2006) See more »

Soundtracks

THE FORGOTTEN TIME
Composed by Chen Hong Ming
Lyrics by Chen Hong Ming
Performed by Tsai Chin
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

 
A textbook thriller
9 November 2006 | by (Saffron Walden, UK) – See all my reviews

A deceptively simple idea lies at the heart of this complex thriller: the Hong Kong police and a triad gang both have an informer in each other's organisation: whoever's man picks the enemies' spy first wins the game for his side. Add to that the customary double-agent-doesn't-know-which-side-he-is-on-anymore subplot (doubled, of course), and you have plenty of ingredients for a plot, although it's to the movie's credit that although a little stylised, it never seems false or contrived. Fast-paced and bold, with a generous score, it never insults the viewer's intelligence either, and features just the right level of moral ambiguity. At one level, it's just another thriller, and there's little in the way of wider political or social subtext; but on the other hand, it's a textbook lesson in the art of making this sort of film.


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