| X...L'Inconnu | 1956 | Screenplay |
| Frankenstein s'est échappé ! | 1957 | Screenplay |
| Le Cauchemar de Dracula | 1958 | Screenplay |
| La Revanche de Frankenstein | 1958 | Writer |
| L’Homme au masque de Verre | 1958 | Screenplay |
| Terreur sur le Trollenberg | 1958 | Screenplay |
| Intent to Kill | 1958 | Screenplay |
| Le sang du vampire | 1958 | Writer |
| I Can Destroy the Sun | 1958 | Writer |
| Jack l'éventreur | 1959 | Screenplay |
| L'Homme qui trompait la mort | 1959 | Screenplay |
| La Malédiction des pharaons | 1959 | Screenplay |
| Les Maitresses de Dracula | 1960 | Screenplay |
| The Siege of Sidney Street | 1960 | Screenplay |
| Les Chevaliers du Démon | 1961 | Screenplay |
| The Big Deal | 1961 | Writer |
| L'Empreinte du dragon rouge | 1961 | Screenplay |
| Hurler de peur | 1961 | Writer |
| Hurler de peur | 1961 | Producer |
| La chevauchée des outlaws | 1961 | Producer |
| Paranoïaque | 1963 | Writer |
| Maniac | 1963 | Writer |
| Maniac | 1963 | Producer |
| To Have and to Hold | 1963 | Screenplay |
| Meurtre par procuration | 1964 | Writer |
| Meurtre par procuration | 1964 | Producer |
| Les pirates du diable | 1964 | Screenplay |
| Das Verrätertor | 1964 | Screenplay |
| Hysteria | 1965 | Producer |
| Hysteria | 1965 | Writer |
| Confession à un cadavre | 1965 | Screenplay |
| Confession à un cadavre | 1965 | Producer |
| Dracula, prince des ténèbres | 1966 | Screenplay |
| Plus féroces que les mâles | 1967 | Screenplay |
| The Anniversary | 1968 | Screenplay |
| The Anniversary | 1968 | Producer |
| Le mannequin défiguré | 1970 | Screenplay |
| Les horreurs de Frankenstein | 1970 | Screenplay |
| Les horreurs de Frankenstein | 1970 | Producer |
| Mais qui a tué tante Roo ? | 1972 | Screenplay |
| Mais qui a tué tante Roo ? | 1972 | Producer |
| Sueur froide dans la nuit | 1972 | Writer |
| Sueur froide dans la nuit | 1972 | Producer |
| Psychose phase 3 | 1978 | Screenplay |
| Phobia | 1980 | Writer |
| Flashback | 2000 | Screenplay |
