4 mosche di velluto grigio
- Shekara: 1971
- Kasa: France, Italy
- Salo: Thriller, Mystery, Horror
- Studio: Universal Productions France S.A., Seda Spettacoli
- Mahimmin bayani: photographer, blackmail, claustrophobia, decapitation, male homosexuality, serial killer, whodunit, giallo
- Darakta: Dario Argento
- 'Yan wasa: Michael Brandon, Mimsy Farmer, Jean-Pierre Marielle, Aldo Bufi Landi, Calisto Calisti, Marisa Fabbri