4 mosche di velluto grigio

Fulvio Mingozzi as Music Studio Manager Jacques Stany as Psychiatrist Michael Brandon as Roberto Tobias Quinto Marziali as Funeral Exhibition Visitor (uncredited) Stefano Satta Flores as Andrea Laura Troschel as Maria Stefano Oppedisano as Bearded guy with girlfriend Ada Pometti as Extra (credit only) Shirley Corrigan as Girl at Party (uncredited) Renzo Marignano as Funeral Exhibition Attendant (uncredited) Pupita Lea Scuderoni as Funeral Exhibition Visitor (uncredited) Maurizio Streccioni as Funeral Exhibition Visitor (uncredited) Marisa Fabbri as Amelia, the Maid Francine Racette as Dalia Guerrino Crivello as Rambaldi, the Neighbor Pino Patti as Funeral Exhibition Attendant Luigi Cozzi as Masked Killer in Theater (uncredited) Mimsy Farmer as Nina Tobias Dante Cleri as Coffin Salesman Gildo Di Marco as Postman Giovanni Di Benedetto as Funeral Exhibition Attendant (uncredited) Sandro Dori as Funeral Exhibition Attendant (uncredited) Jean-Pierre Marielle as Gianni Arrosio Aldo Bufi Landi as Pathologist Corrado Olmi as Porter Franz Colangeli as Funeral Exhibition Visitor (uncredited) Calisto Calisti as Carlo Marosi Fabrizio Moroni as Mirko Tom Felleghy as Police Commissioner Pini Oreste Lionello as The Professor Bud Spencer as Diomede / Godfrey

Franco Di Giacomo Director of Photography Françoise Bonnot Editor Carlo Rambaldi Special Effects Massimo Anzellotti Sound Effects Editor Giuseppe Lanci Camera Operator Angelo Iacono Production Manager Bruno Nicolai Conductor Ennio Morricone Original Music Composer Roberto Forges Davanzati Assistant Camera Mauro Marchetti Assistant Camera Dario Argento Director, Story, Screenplay Luigi Cozzi Story, Assistant Director