Nato/a il January 7, 1928 · New York City, New York, USA
Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | L'esorcista | 1973 | |
| Writer | L'esorcista | 1973 | |
| Producer | L'esorcista | 1973 | |
| Director | L'esorcista III | 1990 | |
| Writer | L'esorcista III | 1990 | |
| Writer | Uno sparo nel buio | 1964 | |
| Actor | The Fear of God: 25 Years of The Exorcist | 1998 | Himself |
| Actor | La nona configurazione | 1980 | |
| Director | La nona configurazione | 1980 | |
| Writer | La nona configurazione | 1980 | |
| Producer | La nona configurazione | 1980 | |
| Director | Legion | 2016 | |
| Writer | Legion | 2016 | |
| Writer | Legion | 2016 | |
| Writer | Operazione crepes suzette | 1970 | |
| Writer | Papà, Ma che cosa hai fatto in guerra? | 1966 |