HomePeople Biography and filmographySin Yan-Kau Biography unavailable on TMDB. Movies (7)TV shows (0) Movies (7) Colour of the Truth2003 The Avenging Fist2001 · (uncredited) Gen-Y Cops2000 · Policeman At Briefing What Is A Good Teacher2000 · Principal Bullets Over Summer1999 · Doctor The Conmen in Vegas1999 · Gambler Expect the Unexpected1998 · Doctor Fung TV shows (0) No credits available.