- Country: France, Italy
- Genres: Crime, Mystery, Thriller
- Release: 1972-08-25
- Director: Dario Argento
- Writers: Dario Argento , Luigi Cozzi , Mario Foglietti , Giorgio Piferi
- Language: Italian
- Stars: Michael Brandon , Mimsy Farmer , Jean-Pierre Marielle , Aldo Bufi Landi , Calisto Calisti , Marisa Fabbri , Oreste Lionello , Fabrizio Moroni , Corrado Olmi , Stefano Satta Flores
- Runtime: 104 min
- Awards: N/A
- AKA: Четири мухи върху сиво кадифе (Bulgaria) , 4 moscas de terciopelo gris (Mexico) , Den djävulska fällan (Sweden) , 4 mosche di velluto grigio , Fire fluer (Denmark) , Vier Fliegen auf grauem Samt (Germany) , 4 mouches de velours gris (France, French Republic) , Vier Fliegen auf grauem Samt , Four Patches of Grey Velvet , Quatro Moscas de Veludo (Portugal, Portuguese Republic) , Neljä kärpästä harmaalla sametilla (Finland) , Четыре мухи на сером бархате , Fire fluer på grå fløyel (Norway) , Xie ying (Hong Kong) , Four Flies on Grey Velvet (United States of America) , 4 moscas de terciopelo gris (Peru) , 4 Flies on Grey Velvet (United States of America) , Four Flies on Grey Velvet (United Kingdom) , Τέσσερις μύγες σε πράσινο βελούδο (Greece) , Cztery muchy na szarym aksamicie (Poland) , Cuatro moscas de terciopelo gris (Venezuela) , Tesseris myiges se prasino veloudo (Greece) , Yonhiki no hae (Japan) , Cuatro moscas de terciopelo gris (Argentina) , 4 mosche di velluto grigio (Italy) , Fyra flugor på grått sammet (Sweden) , Cetiri muhe na sivom barsunu , 4匹の蝿 (Japan) , 4 myges se gri veloudo (Greece) , Quattro mosche di velluto grigio (Italy) , Quatre mouches de velours gris (France, French Republic) , Het mysterie van de 4 vliegen (Netherlands the) , Four Flies on Grey Velvet , Four Flies on Grey Velvet (Canada) , 회색 벨벳 위의 네 마리 파리 (Korea) , 4 légy a szürke bársonyon (Hungary) , Quatro Moscas Sobre Veludo Cinza (Brazil) , 4 Moscas sobre terciopelo gris (Spain)
- Plot: Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders...
- IMDB:tt0066735
Four Flies on Grey Velvet Cast · · · ALL
Dario Argento
Director
Michael Brandon
Roberto Tobias
Mimsy Farmer
Nina Tobias
Jean-Pierre Marielle
Gianni Arrosio
Aldo Bufi Landi
Pathologist
Calisto Calisti
Carlo Marosi
Marisa Fabbri
Amelia, the Maid
Oreste Lionello
The Professor
Fabrizio Moroni
Mirko
Corrado Olmi
Porter
Stefano Satta Flores
Andrea
Laura Troschel
Maria
Francine Racette
Dalia
Bud Spencer
Diomede / Godfrey
Dante Cleri
Coffin Salesman
Guerrino Crivello
Rambaldi, the Neighbor
Gildo Di Marco
Postman
Tom Felleghy
Police Commissioner Pini
Fulvio Mingozzi
Music Studio Manager
Stefano Oppedisano
Bearded guy with girlfriend
Pino Patti
Funeral Exhibition Attendant
Ada Pometti
Extra (credit only)
Shirley Corrigan
Girl at Party (uncredited)
Giovanni Di Benedetto
Funeral Exhibition Attendant (uncredited)
Sandro Dori
Funeral Exhibition Attendant (uncredited)
Renzo Marignano
Funeral Exhibition Attendant (uncredited)