Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Terminator 2 – Tuomion päivä | 1991 | |
| Writer | Terminator – tuhoaja | 1984 | |
| Writer | Die Hard 3 - koston enkeli | 1995 | |
| Writer | Die Hard 4.0 | 2007 | |
| Writer | Judge Dredd - Tuomari | 1995 | |
| Writer | Painajainen Elm Streetillä 5 - Painajaisten lapsi | 1989 | |
| Writer | 13. soturi | 1999 | |
| Writer | Salasana Mercury | 1998 | |
| Writer | Manaaja: Alku | 2004 | |
| Writer | Eraser – Suojelija | 1996 | |
| Writer | Broken Arrow - operaatio erämaassa | 1996 | |
| Writer | I.T. | 2016 | |
| Writer | Dominion: Prequel to the Exorcist | 2005 | |
| Writer | Koston paholainen | 1988 |