Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Terminator 2 - Domedagen | 1991 | |
| Writer | Terminator | 1984 | |
| Writer | Die Hard: Hämningslöst | 1995 | |
| Writer | Die Hard 4.0 | 2007 | |
| Writer | Judge Dredd | 1995 | |
| Writer | Terror På Elm Street 5: The Dream Child | 1989 | |
| Writer | Den 13:e Krigaren | 1999 | |
| Writer | Kod Mercury | 1998 | |
| Writer | Exorcisten - Begynnelsen | 2004 | |
| Writer | Eraser | 1996 | |
| Writer | Broken Arrow | 1996 | |
| Writer | I.T. | 2016 | |
| Writer | Dominion: Prequel to the Exorcist | 2005 | |
| Writer | Pumpkinhead | 1988 |