• 
  Johnnie To

  regizor

• 
  Hing-Ka Chan

  scenarist
• 
  Tin-Shing Yip

  scenarist

• 
  Kelly Chen

  Commissioner Rebecca Fong
• 
  Simon Yam

  Asst. Commissioner C.K. Wong
• 
  Richie Ren

  Yuen (as Richie Jen)
• 
  Shiu Hung Hui

  Hoi (as Hui Shiu Hung)
• 
  Eddie Cheung (II)

  Eric Yeung (as Cheung Siu Fai)

• 
  Nick Cheung

  Inspector Cheung
• 
  Suet Lam

  Yip
• 
  Maggie Siu

  Grace Chow
• 
  Yong You

  Chun
• 
  Chi Wai Wong

  Wong
• 
  Haitao Li

  Chung
• 
  Wah Wo Wong

  White Hair