Infernal Affairs (2002)
Kernel Score: 86% · 1,818 ratings · Rated R
Genres: Drama, Action, Thriller, Crime, Mystery
Released: 2002-12-12
Runtime: 101 minutes
Where to watch Infernal Affairs
- Stream: The Criterion Channel, HBO Max
- Free with ads: Shout! Factory TV
- Rent: Prime Video, Apple TV, YouTube, Fandango At Home
- Buy: Prime Video, Apple TV, YouTube, Fandango At Home
US availability, updated 2026-10-23.
Overview
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.
Infernal Affairs parents' guide: ages 15+
Parents need to know that Infernal Affairs is an R-rated Hong Kong crime thriller about undercover agents infiltrating the police and the mafia.
- Violence & scariness: Moderate — Undercover cop-and-gangster tension drives a crime thriller with an R rating for intensity.
Fresh Kernels AI-assessed from the official R rating, publicly documented content. A guide for families, not an official rating.
Movies like Infernal Affairs
If you liked Infernal Affairs, these are the movies we'd watch next.
- Infernal Affairs II (2003) — 80%
- The Killer (1989) — 87%
- Police Story (1985) — 87%
- Police Story 2 (1988) — 80%
- Hard Boiled (1992) — 85%
- New World (2013) — 84%
- Bullet in the Head (1990) — 86%
- Running Scared (2006) — 77%
Director
Cast
- Andy Lau as Lau Kin Ming
- Tony Leung Chiu-wai as Chan Wing Yan
- Anthony Wong Chau-Sang as Wong Chi Shing
- Eric Tsang Chi-Wai as Hon Sam
- Kelly Chen as Lee Sum Yee
- Sammi Cheng Sau-Man as Mary
- Elva Hsiao as May
- Chapman To Man-Chat as Silly Keung
- Gordon Lam Ka-Tung as Inspector B
- Shawn Yue as Young Chan Wing Yan
Infernal Affairs FAQ
Is Infernal Affairs good?
Infernal Affairs has an 86% Kernel Score on Fresh Kernels from 1,818 audience ratings.
Where can I watch Infernal Affairs?
In the US you can stream Infernal Affairs on The Criterion Channel and HBO Max, watch it free with ads on Shout! Factory TV and rent it from Prime Video, Apple TV, YouTube and Fandango At Home.
Is Infernal Affairs OK for kids?
Infernal Affairs is rated R. Fresh Kernels suggests ages 15+. Parents need to know that Infernal Affairs is an R-rated Hong Kong crime thriller about undercover agents infiltrating the police and the mafia.
What movies are like Infernal Affairs?
If you liked Infernal Affairs, try Infernal Affairs II, The Killer, Police Story and Police Story 2.