Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | RoboCop | 2014 | |
| Writer | RoboCop | 1987 | |
| Producer | RoboCop | 1987 | |
| Writer | Starship Troopers - Fanteria dello spazio | 1997 | |
| Producer | Starship Troopers - Fanteria dello spazio | 1997 | |
| Writer | RoboCop 2 | 1990 | |
| Writer | Anaconda - Alla ricerca dell'orchidea maledetta | 2004 | |
| Writer | RoboCop 3 | 1993 | |
| Writer | Starship Troopers 2 - Eroi della Federazione | 2004 | |
| Director | Starship Troopers 3 - L'arma segreta | 2008 | |
| Writer | Starship Troopers 3 - L'arma segreta | 2008 | |
| Writer | Starship Troopers: Attacco su Marte | 2017 | |
| Producer | Starship Troopers - L'invasione | 2012 | |
| Writer | RoboCop Returns | ||
| Producer | RoboCop Returns |