1968 : Oggi a Me...Domani a Te ! - Screenwriter
1968 : C'era una Volta il West / Once upon a time in the West - Story
1969 : L'Ucello dalle Piume di Cristallo / The Bird with the Crystal Plumage
- Director, screenwriter
1969 : Metti, una Sera a Cena / Love Circle - Screenwriter
1969 : Un Esercito de cinque Uomini / Five Man Army - Screenwriter
1971 : Il Gatto a Nove Code / The Cat o'Nine Tails - director, screenwriter, story
1971 : Quattro Mosche di Velluto Grigio / Four Flies on Grey Velvet
- Director, screenwriter, story
1973 : Le Cinque Giornate / Five Days in Milan - Director
1975 : Profondo Rosso / Deep Red - Director
1977 : Suspiria
- Director, score composer, screenwriter
1978 : Dawn of the Dead - screenplay consultant, score composer, soundmixer (post-production)
1980 : Inferno
- Director, screenwriter, story
1982 : Tenebrae / Sotto gli occhi dell'Assasino / Unsane
- Director, screenwriter
1984 : Phenomena / Creepers - Director, producer, screenwriter
1986 : Demoni / Demons
- Producer, screenwriter
1987 : Demoni 2 / Demons 2 / L'Incubo Ritorna - Producer, screenwriter
1987 : Opera / Terror at the Opera - Director, screenwriter
1988 : La Chiesa / The Church / Cathedral of Demons - Producer, screenwriter, story
1990 : Due occhi diabolici / Two Evil Eyes - Director, producer, screenwriter for "The Black Cat"
1991 : La Setta / The Sect - producer, screenplay
1992 : Trauma
- Director
1996 : Sindrome di Stendhal / The Stendhal Syndrome - Director, producer
1997 : M.D.C Maschera di cera / Gaston Leraux's The Wax Mask
- Producer
1998 : Phantom of the Opera - Director
NorHawk Film Norge
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