Cast 29

1. 

   Lau Ching-wan

   Inspector Chan Kwai Bun

2. 

   Andy On

   Inspector Ho Ka-on

3. 

   Lam Ka-tung

   Ko Chi Wai

4. 

   Kelly Lin

   May Cheung

5. 

   Lee Kwok-Lun

   Wong Kwok Chu

6. Karen Lee Choi-Ling

   Gigi

7. 

   Flora Chan

   May Cheung in Bun's Eyes

8. 

   Eddie Cheung

   Violent Man - Ko's Inner Personality

9. 

   Lam Suet

   Fatso - Ko's Inner Personality

10. 

    Jay Lau

    Calculating Woman - Ko's Inner Personality

11. 

    Eddy Ko

    The Chief

12. 

    Jo Kuk Cho-Lam

    Ho Ka-on's Inner Personality

13. 

    Jonathan Lee Yat-Sing

    Weak Boy - Ho's Inner Personality

14. Yuen Ling-To

    Policeman

15. 

    Ronald Yan Mau-Keung

    Chi-Wai's Boss

16. 

    Jimmy Wong Wa-Wo

    Restaurant Manager

17. Apple Chow Suk-Wai

    7-11 Worker

18. Jackson Ha Chak-Shun

    Ko's Colleague

19. Jack Lai

    Ko's Colleague

20. Jeff Cheung Ka-Kit

    Ko's Inner Personality

21. 

    Chiu Chi-Shing

    Ko's Inner Personality

22. Hung Wai-Leung

    Ko's Inner Personality

23. Lu Ching-Ting

    Ko's Inner Personality

24. 

    Singh Hartihan Bitto

    Naresh Sharma

25. 

    Wong Shiu-Keung

    Policeman (uncredited)

26. 

    Lui Siu-Ming

    Mahjong Parlour's Staff (uncredited)

27. Mark Cheung Yiu-Fai

    Mahjong Parlour Customer (uncredited)

28. 

    Soi Cheang

    Inspector Ho Ka-on (voice)

29. 

    Florence Kwok

    May Cheung (voice)

Crew 17