Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Terminator 2: Dzień sądu | 1991 | |
| Writer | Terminator: Elektroniczny morderca | 1984 | |
| Writer | Szklana pułapka 3 | 1995 | |
| Writer | Szklana pułapka 4.0 | 2007 | |
| Writer | Sędzia Dredd | 1995 | |
| Writer | Koszmar z ulicy Wiązów 5: Dziecko snów | 1989 | |
| Writer | Trzynasty wojownik | 1999 | |
| Writer | Kod Merkury | 1998 | |
| Writer | Egzorcysta: Początek | 2004 | |
| Writer | Egzekutor | 1996 | |
| Writer | Tajna broń | 1996 | |
| Writer | Kontrola Absolutna | 2016 | |
| Writer | Dominium. Egzorcysta: Prequel / Dominium: Narodziny Egzorcysty | 2005 | |
| Writer | Dyniogłowy | 1988 |