Infernal Affairs

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.

• 
  Andy Lau

  Lau Kin Ming
• 
  Tony Leung Chiu-wai

  Chan Wing Yan
• 
  Anthony Wong Chau-Sang

  Wong Chi Shing
• 
  Eric Tsang Chi-Wai

  Hon Sam
• 
  Kelly Chen Hui-Lin

  Lee Sum Yee
• 
  Sammi Cheng Sau-Man

  Mary
• 
  Elva Hsiao

  May
• 
  Chapman To Man-Chat

  Silly Keung
• 
  Gordon Lam Ka-Tung

  Inspector B
• 
  Shawn Yue Man-Lok

  Young Chan Wing Yan