4 mosche di velluto grigio
- Bliadhna: 1971
- Dùthaich: France, Italy
- Seòrsa: Thriller, Mystery, Horror
- Stiùidio: Universal Productions France S.A., Seda Spettacoli
- Faclan-luirg: photographer, blackmail, claustrophobia, decapitation, male homosexuality, serial killer, whodunit, giallo
- Stiùiriche: Dario Argento
- Cast: Michael Brandon, Mimsy Farmer, Jean-Pierre Marielle, Aldo Bufi Landi, Calisto Calisti, Marisa Fabbri