 Flashback2000 · Screenplay | Screenplay |
 North Beach and Rawhide1985 · Writer | Writer |
 The Toughest Man in the World1984 · Writer | Writer |
 Phobia1980 · Writer | Writer |
 Concrete Cowboys1979 · Writer | Writer |
 The Billion Dollar Threat1979 · Writer | Writer |
 Murder in Music City1979 · Writer, Producer | Writer, Producer |
 The Legacy1978 · Screenplay | Screenplay |
 Good Against Evil1977 · Writer | Writer |
 Maneater1973 · Writer | Writer |
 Scream, Pretty Peggy1973 · Writer | Writer |
 Fear in the Night1972 · Producer, Writer, Director | Producer, Writer, Director |
 Whoever Slew Auntie Roo?1972 · Screenplay, Producer | Screenplay, Producer |
 A Taste of Evil1971 · Writer | Writer |
 The Horror of Frankenstein1970 · Director, Screenplay, Producer | Director, Screenplay, Producer |
 Crescendo1970 · Screenplay | Screenplay |
 Foreign Exchange1970 · Screenplay, Producer | Screenplay, Producer |
 The Spy Killer1969 · Writer, Producer | Writer, Producer |
 The Anniversary1968 · Screenplay, Producer | Screenplay, Producer |
 Deadlier Than the Male1967 · Screenplay | Screenplay |
 Dracula: Prince of Darkness1966 · Screenplay | Screenplay |
 The Nanny1965 · Screenplay, Producer | Screenplay, Producer |
 Hysteria1965 · Writer, Producer | Writer, Producer |
 Traitor's Gate1964 · Screenplay | Screenplay |
 Face of a Stranger1964 · Screenplay | Screenplay |
 The Devil-Ship Pirates1964 · Screenplay | Screenplay |
 Nightmare1964 · Producer, Writer | Producer, Writer |
 To Have and to Hold1963 · Screenplay | Screenplay |
 Maniac1963 · Writer, Producer | Writer, Producer |
 Paranoiac1963 · Writer | Writer |
 Taste of Fear1961 · Writer, Producer | Writer, Producer |
 The Terror of the Tongs1961 · Screenplay | Screenplay |
| TThe Big Deal1961 · Writer | Writer |
 The Hellfire Club1961 · Screenplay | Screenplay |
 The Siege of Sidney Street1960 · Winston Churchill, Screenplay | Winston Churchill, Screenplay |
 The Brides of Dracula1960 · Screenplay | Screenplay |
 The Mummy1959 · Screenplay | Screenplay |
 The Man Who Could Cheat Death1959 · Screenplay | Screenplay |
 Jack the Ripper1959 · Screenplay | Screenplay |
| II Can Destroy the Sun1958 · Writer | Writer |
 Blood of the Vampire1958 · Writer | Writer |
 Intent to Kill1958 · Screenplay | Screenplay |
 The Snorkel1958 · Screenplay | Screenplay |
 The Crawling Eye1958 · Screenplay | Screenplay |
 The Revenge of Frankenstein1958 · Writer | Writer |
 Dracula1958 · Screenplay | Screenplay |
 The Curse of Frankenstein1957 · Screenplay | Screenplay |
 X: The Unknown1956 · Screenplay | Screenplay |
 A Man on the Beach1955 · Writer | Writer |
