Infernal Affairs
Original title: Mou gaan dou
“Loyalty. Honor. Betrayal.”
2002 · 1 h 41 min
Directed by 
Andrew Lau
Andrew LauCast
Andy Lau 
Tony Leung Chiu-wai 
Anthony Chau-Sang Wong 
Eric Tsang 
Kelly Chen 
Sammi Cheng
Plot
A police officer working undercover in a triad gang and a triad mole inside the police are each ordered to find the other, in a tense game of identity.
Sinekatalog’s take
A tense, stylish and influential crime thriller.Sinekatalog’s own editorial review – not a user or critic quote.
Ratings
IMDb: 8.0 / 10 (139,623 votes)
IMDb rating and vote count from the IMDb ratings dataset (October 2026). Scores change over time.
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