Director: Johnnie To
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.
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
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 Wah-Wo
Restaurant Manager
Ronald Yan Mau-Keung
Chi-Wai's Boss
