Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Halloween III - Il signore della notte | 1982 | |
| Writer | The Woman in Black | 1989 | |
| Actor | Nineteen Eighty-Four | 1954 | |
| Writer | Nineteen Eighty-Four | 1954 | |
| Writer | L'astronave degli esseri perduti | 1967 | |
| Writer | L'astronave degli esseri perduti | 1967 | |
| Writer | L'astronave atomica del dottor Quatermass | 1955 | |
| Writer | The Quatermass Experiment | 2005 | |
| Writer | The Witches | 1966 | |
| Writer | Base luna chiama terra | 1964 | |
| Writer | Il mostruoso uomo delle nevi | 1957 | |
| Writer | Il mostruoso uomo delle nevi | 1957 | |
| Writer | I vampiri dello spazio | 1957 | |
| Writer | I vampiri dello spazio | 1957 | |
| Writer | Sharpe's Gold | 1995 | |
| Writer | I giovani arrabbiati | 1959 |