Ha curato la sceneggiatura per:
Chinese Zodiac [Sap ji sang ciu, 2012] ;Mr. Nice Guy [Yatgo ho yan, 1997] ;
Terremoto nel Bronx [Hung fan kui, 1995] ;
Supercop [Ging chaat goo si 3: Chiu kap ging chaat, 1992] ;
Police Story 2 [Ging chaat goo si juk jaap, 1988] ;
Police Story [Ging chat goo si, 1985] ;
Il mistero del conte Lobos [Kuai can che, 1984] ;
I due cugini [Long xiao ye, 1982] .
Ha prodotto:
Supercop [Ging chaat goo si 3: Chiu kap ging chaat, 1992] ;Police Story 2 [Ging chaat goo si juk jaap, 1988] .
