Infernal Affairs (2002)

Synopsis

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.

Watch the trailer

Where to watch

Stream

• HBO Max Amazon Channel
• Philo
• Criterion Channel
• HBO Max

Rent

• Amazon Video
• Apple TV Store
• YouTube
• Fandango At Home

Buy

• Amazon Video
• Apple TV Store
• YouTube
• Fandango At Home

Streaming availability via JustWatch

Cast

• Andy Lau as 刘健明
• Tony Leung Chiu-wai as 陈永仁
• Anthony Wong as 黄志诚
• Eric Tsang Chi-Wai as 韩琛
• Kelly Chen Hui-Lin as 李心儿
• Sammi Cheng Sau-Man as Mary
• Elva Hsiao as May
• Chapman To Man-Chat as 傻强
• Gordon Lam Ka-Tung as 大B
• Shawn Yue Man-Lok as 少年陈永仁

If you liked Infernal Affairs, try

• Bad Boys II
• The Thin Red Line
• The Great Escape
• Weekend in Taipei
• The Siege
• The Vanishing
• Mercury Rising
• Infernal Affairs II

BingeNext's take

If you’re into tense crime thrillers that keep you guessing, Infernal Affairs is a must-watch. This 2002 film follows two men on opposite sides of the law who have infiltrated each other’s worlds, one a cop undercover in the mafia, the other a gangster inside the police force. The story builds up with a gripping cat-and-mouse game as their older selves try to uncover the mole before it’s too late. With Andy Lau and Tony Leung Chiu-wai leading the cast, the movie blends drama, action, and mystery in a way that feels both intense and personal. It’s perfect for anyone who loves smart, character-driven stories with plenty of suspense and emotional weight. At just over an hour and a half, it’s a compact, thrilling ride that fans of crime dramas like Bad Boys II or The Siege will definitely appreciate.