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

101 min  -  Crime | Mystery | Thriller  -   12 December 2002 (Hong Kong)
8.1
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Ratings: 8.1/10 from 54,610 users   Metascore: 75/100 
Reviews: 163 user | 153 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:

Wai-keung Lau, Alan Mak
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Top 250 #211 | 23 wins & 20 nominations See more awards »
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Cast

Cast overview, first billed only:
Andy Lau Andy Lau ...
Tony Leung Chiu Wai Tony Leung Chiu Wai ...
Chen Wing Yan (as Tony Leung)
Anthony Wong Chau-Sang Anthony Wong Chau-Sang ...
SP Wong Chi Shing (as Anthony Wong)
Eric Tsang Eric Tsang ...
Kelly Chen Kelly Chen ...
Sammi Cheng Sammi Cheng ...
Edison Chen Edison Chen ...
Shawn Yue Shawn Yue ...
Elva Hsiao Elva Hsiao ...
May
Chapman To Chapman To ...
Ka Tung Lam Ka Tung Lam ...
Inspector B (as Lam Ka Tung)
Ting Yip Ng Ting Yip Ng ...
Inspector Cheung (as Ng Ting Yip)
Dion Lam Dion Lam ...
Chi Keung Wan Chi Keung Wan ...
Officer Leung (as Wan Chi Keung)
Hui Kam Fung 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

Plot Keywords:

Police | Mole | Triad | Undercover | Hong Kong  | See more »

Taglines:

Loyalty. Honor. Betrayal.

Genres:

Crime | Mystery | Thriller

Motion Picture Rating (MPAA)

Rated R for violence See all certifications »

Parents Guide:

View content advisory »
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Details

Country:

Hong Kong

Language:

Cantonese | English | Thai

Release Date:

(Hong Kong) See more »

Also Known As:

Двойная рокировка See more »

Box Office

Opening Weekend:

$22,634 (Finland) (16 October 2003) (5 Screens)

Gross:

$8,708,932 (Worldwide) (21 October 2004)
See more »

Company Credits

Show detailed company contact information on IMDbPro »

Technical Specs

Runtime:

 | Hong Kong: (director's cut)

Sound Mix:

Dolby Digital

Color:

Black and White  | Color

Aspect Ratio:

2.35 : 1
See full technical specs »
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Did You Know?

Trivia

The psychiatrist's name, "Lee Sum Yee", is a homophone (in Cantonese) for "your psychiatrist". See more »

Goofs

Crew or equipment visible: Wires can clearly be seen on the windshield when SP Wong lands on the taxi. 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

References Men in Black II (2002) See more »

Soundtracks

"MOU GAAN DOU (Infernal Affairs)"
Composed & Arranged by Ronald Ng
Performed by Andy Lau and Tony Leung Chiu Wai (as Tony Leung)
Produced by Ronald Ng and Jacky Chan
O.P. BMG Music Publishing Hong Kong, Ltd./Catchy Music Publishing, Ltd. See more »