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

15 101 min  -  Crime | Mystery | Thriller  -   12 December 2002 (Hong Kong)
8.1
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Ratings: 8.1/10 from 48,949 users   Metascore: 75/100 
Reviews: 161 user | 150 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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Infernal Affairs -- CT #1 Post Infernal Affairs -- CT #1 Pre Infernal Affairs -- Trailer
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Cast

Cast overview, first billed only:
Andy Lau ...
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 ...
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 | Undercover Cop  | 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:

$169,659 (USA)
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

Continuity: In the scene where SP Wong falls onto a taxi cab, the blood stain on his mouth changes between shots. See more »

Quotes

Chan Wing Yan: In a word: excellent.
See more »

Connections

Spoofed in Infernal Unfairs (2004) See more »

Soundtracks

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