Mad Detective

Bun, a schizophrenic, former police inspector comes out of retirement to help a rookie detective solve a complex murder case involving a missing colleague and a suspected policeman suffering from a multiple personality disorder.

• 
  Wai Ka-Fai
• 
  Johnnie To

• 
  Sean Lau Ching-Wan
  Inspector Chan Kwai Bun
• 
  Lau Ching-Wan
  Inspector Chan Kwai Bun
• 
  Andy On Chi-Kit
  Inspector Ho Ka-on
• 
  Gordon Lam Ka-Tung
  Ko Chi Wai
• 
  Kelly Lin Hsi-Lei
  May Cheung
• 
  Karen Lee Choi-Ling
  Gigi
• 
  Joseph Lee Kwok-Lun
  Wong Kwok Chu
• 
  Eddie Cheung Siu-Fai
  Violent Man - Ko's Inner Personality
• 
  Lam Suet
  Fatso - Ko's Inner Personality
• 
  Jay Lau Kam-Ling
  Calculating Woman - Ko's Inner Personality
• 
  Jeff Cheung Ka-Kit
  Ko's Inner Personality
• 
  Lu Ching-Ting
  Ko's Inner Personality
• 
  Chiu Chi-Shing
  Ko's Inner Personality
• 
  Hung Wai-Leung
  Ko's Inner Personality
• 
  Flora Chan Wai-Shan
  May Cheung in Bun's Eyes
• 
  Jonathan Lee Yat-Sing
  Weak Boy - Ho's Inner Personality
• 
  Jo Kok Cho-Lam
  Schemy Woman - Ho's Inner Personality
• 
  Eddy Ko Hung
  The Chief
• 
  Yuen Ling-To
  Policeman
• 
  Jimmy Wong
  Restaurant Manager
• 
  Ronald Yan Mau-Keung
  Chi-Wai's Boss