 Hanna's War1988 · Writer | Writer |
 Tai-Pan1986 · Screenplay | Screenplay |
 Draw!1984 · Writer | Writer |
 Conan the Destroyer1984 · Screenplay | Screenplay |
 Firestarter1984 · Motel Owner, Screenplay | Motel Owner, Screenplay |
 Eye of the Needle1981 · Screenplay | Screenplay |
 Meteor1979 · Canadian Representative, Screenplay | Canadian Representative, Screenplay |
 Circle of Iron1978 · Screenplay | Screenplay |
 Damien - Omen II1978 · Screenplay | Screenplay |
 Breaking Point1976 · Screenplay | Screenplay |
 Sky Riders1976 · Screenplay | Screenplay |
 Russian Roulette1975 · Screenplay | Screenplay |
 The Strange Affair1968 · Producer, Writer | Producer, Writer |
 The Naked Runner1967 · Screenplay | Screenplay |
 Rapture1965 · Writer, Screenplay | Writer, Screenplay |
 The Collector1965 · Screenplay | Screenplay |
 Up from the Beach1965 · Writer | Writer |
 A High Wind in Jamaica1965 · Screenplay | Screenplay |
 Woman of Straw1964 · Screenplay | Screenplay |
 The Mark1961 · Screenplay | Screenplay |
 His and Hers1961 · Writer | Writer |
 The Mouse That Roared1959 · Screenplay | Screenplay |
 Another Time, Another Place1958 · Screenplay | Screenplay |
