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

Leopoldo Migliori

Musician

Fulvio Mingozzi

Music Studio Manager

Stefano Oppedisano

Bearded guy with girlfriend

Pino Patti

Funeral Exhibition Attendant

Ada Pometti

Extra (credit only)

Jacques Stany

Psychiatrist

Fortunato Cecilia

Funeral Exhibition Visitor (uncredited)

Franz Colangeli

Funeral Exhibition Visitor (uncredited)

Shirley Corrigan

Girl at Party (uncredited)

Luigi Cozzi

Masked Killer in Theater (uncredited)

Giovanni Di Benedetto

Funeral Exhibition Attendant (uncredited)

Sandro Dori

Funeral Exhibition Attendant (uncredited)

Renzo Marignano

Funeral Exhibition Attendant (uncredited)

Quinto Marziali

Funeral Exhibition Visitor (uncredited)

Diego Morreale

Extra (uncredited)

Anna Maria Perego

Delia's Mother (uncredited)

Pupita Lea Scuderoni

Funeral Exhibition Visitor (uncredited)

Maurizio Streccioni

Funeral Exhibition Visitor (uncredited)

Dario Argento

Director

Dario Argento

Story

Luigi Cozzi

Story

Mario Foglietti

Story

Dario Argento

Screenplay

Franco Di Giacomo

Director of Photography

Salvatore Argento

Producer

Ennio Morricone

Original Music Composer

Enrico Sabbatini

Production Design

Paolo Borselli

Hairstylist

Françoise Bonnot

Editor

Giuliano Laurenti

Makeup Artist

Carlo Rambaldi

Special Effects

Massimo Anzellotti

Sound Effects Editor

Eugenio Fiori

Boom Operator

Dino Galiano

Special Effects

Roberto Carnevali

Still Photographer

Carlo Du Bois

Administration

Giovanni Viti

Assistant Art Director

Franco Bassi

Sound Mixer

Umberto Dessena

Grip

Giovanni Viti

Wardrobe Assistant

Giovanni Morosi

Assistant Makeup Artist

Giuseppe Lanci

Camera Operator

Edda Dell'Orso

Musician

Orazio Sinacore

Electrician

Mario Grilli

Decorator

Mario Boccanegra

Grip

Roberto Forges Davanzati

Assistant Camera

Franco Pedacchia

Set Dresser

Franco Gubiotti

Electrician

Gianfranco Transunto

Assistant Camera

Bruno Bianchini

Assistant Editor

Roberta Leoni

Production Secretary

Bruno Nicolai

Conductor

Roberto Pariante

Assistant Director

Anteo Pacini

Electrician

Patrizia Zulini

Script Supervisor

Fernando Monti

Grip

Angelo Iacono

Production Manager

Valerio Garzia

Gaffer

Mina Manes

Tailor

Carlo Cucchi

Production Secretary

Giuseppe Ciccocioppo

Props

Mauro Marchetti

Assistant Camera

Massimo Lentini

Assistant Costume Designer

Mario Ronchetti

Sound Engineer

Gastone Coppa

Key Grip

Ennio Mancini

Electrician

Sergio Fraticelli

Assistant Editor

Luciano Anzellotti

Sound Effects

Giuseppe Mangogna

Unit Manager

Luigi Cozzi

Assistant Director