| 2015 | Surgery | Writer | ★★★★☆ |
| 2010 | And Soon the Darkness | Original Story | ★★★☆☆ |
| 2007 | Jane Doe: Cómo eliminar a tu jefe | Story | ★★★☆☆ |
| 1999 | CI5: The New Professionals | Writer | ★★★☆☆ |
| 1999 | CI5: The New Professionals | Creator | ★★★☆☆ |
| 1995 | Justine: Un Asunto Privado | Writer | ★★☆☆☆ |
| 1995 | Bugs | Story | ★★★☆☆ |
| 1992 | Perry Mason: El caso del Romeo imprudente | Writer | ★★★★☆ |
| 1992 | Perry Mason: El caso de la novia con el corazon destrozado | Teleplay | ★★★★☆ |
| 1992 | Perry Mason: El caso de la novia con el corazon destrozado | Story | ★★★★☆ |
| 1992 | Los inmortales | Writer | ★★★★☆ |
| 1991 | Los inmortales II: El desafío | Story | ★★☆☆☆ |
| 1991 | Perry Mason: El caso del ataud de cristal | Writer | ★★★★☆ |
| 1990 | Max Monroe: Loose Cannon | Writer | ★★★☆☆ |
| 1987 | Los cazadores del tiempo | Teleplay | ★★★☆☆ |
| 1985 | Alfred Hitchcock presenta | Writer | ★★★★☆ |
| 1984 | Misterio | Writer | ★★★☆☆ |
| 1982 | Remington Steele | Writer | ★★★★☆ |
| 1981 | Bergerac | Writer | ★★★☆☆ |
| 1981 | Darkroom | Writer | ★★★★☆ |
| 1980 | Los ojos del bosque | Screenplay | ★★★☆☆ |
| 1980 | The Masqueraders | Writer | ☆☆☆☆☆ |
| 1977 | The Professionals | Writer | ★★★★☆ |
| 1977 | The Professionals | Screenplay | ★★★★☆ |
| 1977 | The Professionals | Executive Producer | ★★★★☆ |
| 1977 | The Professionals | Creator | ★★★★☆ |
| 1976 | The New Avengers | Writer | ★★★☆☆ |
| 1976 | The New Avengers | Creator | ★★★☆☆ |
| 1975 | If It's a Man... Hang Up! | Writer | ★★★★☆ |
| 1975 | Night is the Time For Killing | Writer | ★★★☆☆ |
| 1975 | Nurse Will Make It Better | Writer | ★★★★☆ |
| 1975 | Won't Write Home, Mom–I'm Dead | Writer | ★☆☆☆☆ |
| 1975 | Death in Deep Water | Writer | ☆☆☆☆☆ |
| 1975 | Where the Action Is | Writer | ☆☆☆☆☆ |
| 1975 | The Crazy Kill | Writer | ☆☆☆☆☆ |
| 1975 | Good Salary, Prospects, Free Coffin | Writer | ☆☆☆☆☆ |
| 1975 | The Next Voice You See | Writer | ★★★★☆ |
| 1975 | Murder Motel | Writer | ☆☆☆☆☆ |
| 1975 | Sleepwalker | Writer | ★★★☆☆ |
| 1975 | The Next Victim | Writer | ☆☆☆☆☆ |
| 1975 | Nightmare for a Nightingale | Writer | ★★★☆☆ |
| 1975 | Dial a Deadly Number | Writer | ★★★★☆ |
| 1975 | Kill Two Birds | Writer | ☆☆☆☆☆ |
| 1975 | A Midsummer Nightmare | Writer | ☆☆☆☆☆ |
| 1975 | Quiller | Writer | ☆☆☆☆☆ |
| 1974 | Capitán Kronos, cazador de vampiros | Director | ★★★☆☆ |
| 1974 | Capitán Kronos, cazador de vampiros | Writer | ★★★☆☆ |
| 1974 | Capitán Kronos, cazador de vampiros | Producer | ★★★☆☆ |
| 1974 | I'm the Girl He Wants to Kill | Writer | ★★★★☆ |
| 1974 | Kiss Me and Die | Writer | ★★★☆☆ |
| 1974 | The Next Scream You Hear | Writer | ★★☆☆☆ |
| 1974 | Screamer | Writer | ★★★☆☆ |
| 1974 | Come Out, Come Out, Wherever You Are | Writer | ☆☆☆☆☆ |
| 1974 | K is for Killing | Writer | ☆☆☆☆☆ |
| 1974 | Sign it Death | Writer | ★★★★☆ |
| 1974 | A Coffin for the Bride | Writer | ★★★★☆ |
| 1974 | Death to Sister Mary | Writer | ☆☆☆☆☆ |
| 1974 | In the Steps of a Dead Man | Writer | ★★★★☆ |
| 1974 | A Killer With Two Faces | Writer | ☆☆☆☆☆ |
| 1974 | A Killer in Every Corner | Writer | ☆☆☆☆☆ |
| 1974 | Once the Killing Starts | Writer | ★★★★☆ |
| 1973 | El viaje fantástico de Simbad | Screenplay | ★★★☆☆ |
| 1973 | El viaje fantástico de Simbad | Story | ★★★☆☆ |
| 1973 | An Echo of Theresa | Writer | ☆☆☆☆☆ |
| 1973 | A Place to Die | Writer | ★★★★★ |
| 1973 | Someone at the Top of the Stairs | Writer | ★★★★☆ |
| 1973 | Lady Killer | Writer | ★★★☆☆ |
| 1973 | Possession | Writer | ★★★☆☆ |
| 1973 | The Colour of Blood | Writer | ☆☆☆☆☆ |
| 1973 | The Eyes Have It | Writer | ★★★★☆ |
| 1973 | Spell of Evil | Writer | ☆☆☆☆☆ |
| 1973 | One Deadly Owner | Writer | ☆☆☆☆☆ |
| 1973 | Ring Once for Death | Writer | ★★★★☆ |
| 1973 | The Persuaders! | Writer | ★★★★★ |
| 1973 | Thriller | Writer | ★★★☆☆ |
| 1973 | Thriller | Creator | ★★★☆☆ |
| 1972 | The Woman Hunter | Writer | ★★★☆☆ |
| 1972 | The Woman Hunter | Story | ★★★☆☆ |
| 1972 | The Protectors | Writer | ★★★☆☆ |
| 1972 | The Adventurer | Scenario Writer | ★★★☆☆ |
| 1971 | Terror ciego | Writer | ★★★☆☆ |
| 1971 | Dr. Jekyll y su hermana Hyde | Screenplay | ★★★☆☆ |
| 1971 | Dr. Jekyll y su hermana Hyde | Producer | ★★★☆☆ |
| 1971 | Los Persuasores | Writer | ★★★★☆ |
| 1970 | De repente, la oscuridad | Screenplay | ★★★☆☆ |
| 1970 | De repente, la oscuridad | Producer | ★★★☆☆ |
| 1968 | Los invencibles de Némesis | Writer | ★★★☆☆ |
| 1968 | The Expert | Writer | ★★★★★ |
| 1967 | Los Corrompidos | Screenplay | ★★★☆☆ |
| 1966 | The Baron | Writer | ★★★☆☆ |
| 1965 | La maldición del voodoo | Writer | ★☆☆☆☆ |
| 1963 | Station Six-Sahara | Screenplay | ★★★☆☆ |
| 1963 | The Sentimental Agent | Writer | ★★★☆☆ |
| 1963 | Love Story | Writer | ☆☆☆☆☆ |
| 1961 | Return of a Stranger | Writer | ★★☆☆☆ |
| 1961 | Two Wives at One Wedding | Writer | ★★★☆☆ |
| 1961 | The Pursuers | Story | ★★★☆☆ |
| 1961 | Fate Takes a Hand | Writer | ★★★☆☆ |
| 1961 | Highway to Battle | Writer | ☆☆☆☆☆ |
| 1961 | The Court Martial of Major Keller | Story | ☆☆☆☆☆ |
