Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | The Departed - Il bene e il male | 2006 | |
| Director | Initial D | 2005 | |
| Director | Infernal Affairs | 2002 | |
| Writer | Infernal Affairs | 2002 | |
| Director | Infernal Affairs II | 2003 | |
| Writer | Infernal Affairs II | 2003 | |
| Director | Infernal Affairs III | 2003 | |
| Writer | Infernal Affairs III | 2003 | |
| Actor | 特警新人類 | 1999 | Correctional Officer |
| Producer | Once a Gangster | 2010 | |
| Director | The Lost Bladesman | 2011 | |
| Writer | Confession of Pain | 2006 | |
| Director | Confession of Pain | 2006 | |
| Director | Extraordinary Mission | 2017 |