Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Karate Kid | 2010 | |
| Writer | 96 Hours | 2008 | |
| Writer | Das fünfte Element | 1997 | |
| Writer | 96 Hours - Taken 2 | 2012 | |
| Writer | Karate Kid | 1984 | |
| Writer | Im Auftrag des Teufels | 1997 | |
| Writer | The Transporter | 2002 | |
| Writer | 96 Hours - Taken 3 | 2014 | |
| Writer | Karate Kid II - Entscheidung in Okinawa | 1986 | |
| Writer | Transporter - The Mission | 2005 | |
| Writer | Colombiana | 2011 | |
| Writer | Transporter 3 | 2008 | |
| Writer | Karate Kid III - Die letzte Entscheidung | 1989 | |
| Writer | Lethal Weapon 2 - Brennpunkt L.A. | 1989 | |
| Writer | Karate Kid IV - Die nächste Generation | 1994 | |
| Writer | The Transporter Refueled | 2015 | |
| Writer | Lethal Weapon 3 - Die Profis sind zurück | 1992 | |
| Writer | Auf der Flucht | 1993 | |
| Writer | Brick Mansions | 2014 | |
| Writer | Bandidas | 2006 | |
| Writer | Vertrauter Feind | 1997 | |
| Writer | Dem Himmel so nah | 1995 | |
| Producer | The Punisher | 1989 | |
| Writer | The Punisher | 1989 | |
| Writer | Alarmstufe: Rot | 1992 | |
| Writer | The Warriors Gate | 2017 | |
| Writer | Kiss of the Dragon | 2001 | |
| Writer | Fäuste - Du musst um dein Recht kämpfen | 1992 | |
| Writer | Fäuste - Du musst um dein Recht kämpfen | 1992 | |
| Writer | Octalus - Der Tod aus der Tiefe | 1998 | |
| Writer | Die Kadetten von Bunker Hill | 1981 | |
| Writer | Im Glanz der Sonne | 1992 |