4 Mosche Di Velluto Grigio
| Category | Feature Film |
| Genre | Crime, Horror, Mystery |
| Country | Italy, France |
| Premiere | 1971 |
| Actor | Michael Brandon (as Roberto Tobias), Jean-Pierre Marielle (as Gianni Arrosio ( Private Detective / Investigatore Privato )), Bud Spencer (as Diomede), Oreste Lionello (as The Professor), Stefano Satta Flores (as Andrea ( Psychiatrist )), Calisto Calisti (as Carlo Marosi), Fabrizio Moroni (as Mirko), Aldo Bufi Landi (as The Doctor), Tom Felleghy (as The Policeman), Guerrino Crivello (as Rampanti ( The Lame Neighbor / Il Vicino Di Casa Zoppo )), Corrado Olmi (as The Porter / Il Portinaio), Gildo Di Marco (as The Postman ( Il Postino )), Leopoldo Migliori (as Musician), Fulvio Mingozzi (as An Employee Of The Recording Studio / Un Addetto Dello Studio Di Registrazione), Dante Cleri (as The Head Of The Funeral Exhibition / Il Responsabile Della Mostra Funeraria), Pino Patti (as Attendant At The Funeral Exhibition / Inserviente Alla Mostra Funeraria), Jacques Stany (as The Villa Rapidi Psychiatrist), Renzo Marignano (as The Gravedigger ( Il Becchino )) |
| Actress | Mimsy Farmer (as Nina Tobias), Laura Troschel (as Maria Pia), Francine Racette (as Dalia), Marisa Fabbri (as Amelia ( The Maid / La Domestica )), Ada Pometti |
| Creator | Cataldo Galliano (as Special Effects), Enrico Sabbatini (as Scenography), Paolo Borselli (as Make-up), Giuliano Laurenti (as Make-up) |
| Director | Dario Argento |
| Director Of Photography | Franco Di Giacomo |
| Film Editor | Françoise Bonnot |
| Music | Ennio Morricone |
| Producer | Salvatore Argento |
| Production Company | Seda Spettacoli, Universal Productions France |
| Screenplay | Dario Argento |
| Subject | Dario Argento, Luigi Cozzi, Mario Foglietti |
| Links | http://www.imdb.com/title/tt0066735/ |
Releases 6
| Title | Format | Region | |
|---|---|---|---|
 | 4 Mosche Di Velluto Grigio | Blu-ray + DVD | B |
 | 4 Mosche Di Velluto Grigio | DVD | 2 |
 | 4 Mosche Di Velluto Grigio | DVD | 2 |
 | Four Flies On Grey Velvet | Blu-ray | ALL |
 | Four Flies On Grey Velvet | DVD | 2 |
 | Vier Fliegen auf grauem Samt | Blu-ray/DVD Combo Disc | B, 2 |