 Under Current2025 · Director, Screenplay | Director, Screenplay |
 The Procurator2023 · Director, Writer | Director, Writer |
 Integrity2019 · Director, Screenplay | Director, Screenplay |
 Extraordinary Mission2017 · Director | Director |
 I Am Somebody2015 · Alan Mak | Alan Mak |
 第34屆香港電影金像獎2015 · Self | Self |
 Two Thumbs Up2015 · Tsui Po On | Tsui Po On |
 Overheard 32014 · Director, Writer | Director, Writer |
 The Silent War2012 · Director, Writer | Director, Writer |
 Overheard 22011 · Director, Writer, Screenplay | Director, Writer, Screenplay |
 The Lost Bladesman2011 · Director, Writer | Director, Writer |
 Once a Gangster2010 · Producer | Producer |
 Overheard2009 · Director, Screenplay | Director, Screenplay |
 All's Well, End's Well 20092009 · Wedding Guest (uncredited) | Wedding Guest (uncredited) |
 Lady Cop & Papa Crook2008 · Director, Writer | Director, Writer |
 Simply Actors2007 · Alan Mak | Alan Mak |
 Confession of Pain2006 · Writer, Director | Writer, Director |
 无间道正序版2006 · Director, Writer | Director, Writer |
 Moonlight in Tokyo2005 · Director, Writer | Director, Writer |
 Initial D2005 · Director | Director |
 Infernal Affairs III2003 · Director, Writer | Director, Writer |
 Infernal Affairs II2003 · Director, Screenplay | Director, Screenplay |
 1:99 Shorts2003 · Director | Director |
 Infernal Affairs2002 · Director, Screenplay | Director, Screenplay |
 Love Undercover2002 · Police psychologist | Police psychologist |
 Stolen Love2001 · Director | Director |
 Horror Hotline... Big Head Monster2001 · Officer Mak | Officer Mak |
 Feel 100% II2001 · Actor | Actor |
 Final Romance2001 · Director | Director |
 Fighting for Love2001 · Actor | Actor |
 A War Named Desire2000 · Director, Writer | Director, Writer |
 Double Tap2000 · Shooting Umpire | Shooting Umpire |
 Rave Fever1999 · Director | Director |
 Gen-X Cops1999 · Correctional Officer | Correctional Officer |
 Your Place or Mine!1998 · Mut, ICN manager | Mut, ICN manager |
 Nude Fear1998 · Director | Director |
 He Comes From Planet K1997 · KK | KK |
 Feel 100%... Once More1996 · Actor | Actor |
 Lost and Found1996 · Keung | Keung |
 Somebody Up There Likes Me1996 · Policeman | Policeman |
 The Golden Girls1995 · Assistant Director | Assistant Director |
 Heaven Can't Wait1995 · Party Guest | Party Guest |
 Loving You1995 · Waiter | Waiter |
 In the Heat of Summer1994 · Actor | Actor |
 Love Recipe1994 · Actor | Actor |
