Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Requiem for a Dream | 2000 | Party Animal |
| Writer | Omen | 1976 | |
| Writer | Lovligt byte | 1990 | |
| Writer | Omen | 2006 | |
| Writer | Dragonfly | 2002 | |
| Writer | Damien - Omen II | 1978 | |
| Writer | De sju knivarna - Omen III | 1981 | |
| Writer | Omen IV - Ondskans hämnd | 1991 | |
| Director | Lucas | 1986 | |
| Writer | Lucas | 1986 | |
| Director | Shining Through | 1992 | |
| Writer | Shining Through | 1992 | |
| Producer | Shining Through | 1992 | |
| Director | Punchline | 1988 | |
| Writer | Punchline | 1988 | |
| Writer | Prophecy | 1979 | |
| Writer | My Giant | 1998 | |
| Writer | My Giant | 1998 | |
| Writer | Cinema Verite | 2011 | |
| Actor | 666: The Omen Revealed | 2000 |