Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Producer | Alien - kahdeksas matkustaja | 1979 | |
| Producer | Prometheus | 2012 | |
| Producer | Alien: Covenant | 2017 | |
| Producer | Alien vs. Predator | 2004 | |
| Writer | Alien³ | 1992 | |
| Producer | Alien³ | 1992 | |
| Producer | Alien - Ylösnousemus | 1997 | |
| Producer | Aliens vs. Predator 2 | 2007 | |
| Writer | Undisputed | 2002 | |
| Writer | Rahareikä | 1986 | |
| Producer | Rahareikä | 1986 | |
| Producer | Tales from the Crypt: Demon Knight | 1995 | |
| Producer | Tales from the Crypt Presents: Bordello of Blood | 1996 | |
| Writer | The Parallax View | 1974 | |
| Writer | Raivoisa Ajojahti | 1981 | |
| Producer | Raivoisa Ajojahti | 1981 | |
| Writer | Fun with Dick and Jane | 1977 | |
| Producer | Tales from the Crypt: Ritual | 2002 | |
| Producer | Roadracers | 1994 | |
| Director | The Black Bird | 1975 | |
| Writer | Myra Breckinridge | 1970 |