Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Terminator 2: Sudnji dan | 1991 | |
| Writer | The Terminator | 1984 | |
| Writer | Die Hard: With a Vengeance | 1995 | |
| Writer | Live Free or Die Hard | 2007 | |
| Writer | Judge Dredd | 1995 | |
| Writer | A Nightmare on Elm Street 5: The Dream Child | 1989 | |
| Writer | The 13th Warrior | 1999 | |
| Writer | Mercury Rising | 1998 | |
| Writer | Exorcist: The Beginning | 2004 | |
| Writer | Brisač | 1996 | |
| Writer | Broken Arrow | 1996 | |
| Writer | I.T. | 2016 | |
| Writer | Dominion: Prequel to the Exorcist | 2005 | |
| Writer | Pumpkinhead | 1988 |