Once a Cop Skuespillere og folkene bag
Michelle YeohJessica Yang Jian Wa Yu RongguangDavid Chang Fung Emil ChauInspector Lee Ming / Theme Song Performance Louis Fan Siu-WongKuo Shao Long Bill Tung BiuInspector "Uncle" Bill Chou Alain GuernierRoger Davidson Ailen Sit Chun-WaiCheung Ken Maggie Chan Mei-KeiBank Manager Hostage Jackie ChanInspector Chan Ka-Kui Eric Tsang Chi-WaiBusty Woman in Red Joe Cheung Tung-ChoFung's Man in Hospital Anne-Simone KwonTerrorist Chan Man-ChingBank Robber Bruce Law Lai-YinBank Robber Vincent Di TuataaneVincent MarsJewelry Store Customer Chan Ging-ChiPing's Thug (uncredited) Cheng Ka-SangPing (uncredited) Cheung SiuBusinessman (uncredited) Simon Cheung Yuk-SanPoliceman (uncredited) Joe Chu Cho-KuenGuard (uncredited) Edward CorbettPoliceman (uncredited) Go Shut-FungGuard (uncredited) Kong Miu-DengJewel Robber (uncredited) Rocky Lai Keung-KenJewel Robber (uncredited) Lam Kwok-Kit(extra) (uncredited) Leung ChoiFish Vendor (uncredited) Nicky Li Chung-ChiJewel Robber (uncredited) Matthew Tang Hon-KeungCID (uncredited) / Assisterende instruktør Stanley Tong Gwai-LaiPRC Policeman (uncredited) / Instruktør / Manuskript / Theme Song Performance Wong Man-ChunPoliceman (uncredited) Stanley Tong Gwai-LaiPRC Policeman (uncredited) / Instruktør / Manuskript / Theme Song Performance Sandy Shaw Lai-KingManuskript Barbie Tung Wan-SiProducer Leonard HoExecutive producer Butt Yiu-KwongSet Decoration Horace Ma Kwong-WingArt Direction Andy Lam Kwok-WahDirector Of Photography Brian Lau Shui-YinHairstylist Sung Wai-LeungHairstylist Wong Shun-FaiMakeup Artist Chris Wong Hoi-KwongCostume Design Fong Wan-SiSupervisor for manuskript Li Kit-MingAssisterende instruktør Matthew Tang Hon-KeungCID (uncredited) / Assisterende instruktør Johnny Lee Man-YiuProject Manager Peter Cheung Yiu-ChungFilmklipper Chan Lik-HangBoom Operator Emil ChauInspector Lee Ming / Theme Song Performance Richard LoKomponist af original musik Delly Ku Oi-YingProduktionsleder Chan Kam-KeungAssistant Production Manager 
