4 mosche di velluto grigio
- Xyoo: 1971
- Ncig Teb Chaws: France, Italy
- Genre: Thriller, Mystery, Horror
- Studio: Universal Productions France S.A., Seda Spettacoli
- Cov ntsiab lus: photographer, blackmail, claustrophobia, decapitation, male homosexuality, serial killer, whodunit, giallo
- Tus Thawj Coj: Dario Argento
- Pov Pob Tseg: Michael Brandon, Mimsy Farmer, Jean-Pierre Marielle, Aldo Bufi Landi, Calisto Calisti, Marisa Fabbri