Leigh McCloskey
Mark Elliot
Irene Miracle
Rose Elliot
Eleonora Giorgi
Sara
Daria Nicolodi
Elise Stallone Van Adler
Sacha Pitoëff
Kazanian
Alida Valli
Carol
Veronica Lazăr
Nurse
Gabriele Lavia
Carlo
Feodor Chaliapin Jr.
Professor Arnold / Dr. Varelli
Leopoldo Mastelloni
John, the Butler
Ania Pieroni
Musical Student
James Fleetwood
Cook
Rosario Rigutini
Man
Ryan Hilliard
Shadow
Paolo Paoloni
Music Teacher
Fulvio Mingozzi
Cabdriver
Luigi Lodoli
Bookbinder
Rodolfo Lodi
Old Man
Dario Argento
Narrator (voice) (uncredited)
Ettore Martini
Burning Building Cop (uncredited)
Corinne Dunne
Tenant in New York Building (uncredited)
Filippo Perego
Tenant in New York Building (uncredited)
Dario Argento
Screenplay
Dario Argento
Director
Claudio Argento
Producer
Salvatore Argento
Producer
Keith Emerson
Original Music Composer
Mario Bava
Thanks
Romano Albani
Director of Photography
Attilio Gizzi
Sound Effects Editor
Maurizio Garrone
Set Decoration
Massimo Lentini
Costume Design
Giuseppe Bassan
Art Direction
Serena Canevari
Script Supervisor
Luciana Maria Costanzi
Hairstylist
Alberto Altibrandi
Gaffer
Francesco Bellomo
Still Photographer
Germano Natali
Special Effects
Pierantonio Mecacci
Makeup Artist
Francesco Cuppini
Set Decoration
Giancarlo De Leonardis
Hairstylist
Idelmo Simonelli
Camera Operator
Gianlorenzo Battaglia
Underwater Camera
Mario Bava
Second Unit Director
Mario Bava
Second Unit
Franco Fraticelli
Editor
Franco Groppioni
Sound Engineer
Lamberto Bava
Assistant Director
Anna Maria Galvinelli
Production Assistant
Saverio Mangogna
Production Assistant
Giancarlo Laurenzi
Boom Operator
Godfrey Salmon
Orchestrator
Dario Argento
Story
Solly V. Bianco
Administration
Agostino Pascarella
Key Grip
Godfrey Salmon
Conductor
Michela Prodan
Production Assistant
Andrea Piazzesi
Second Assistant Director
Keith Emerson
Music Arranger
Cesare Jacolucci
Unit Manager
Godfrey Salmon
Music Arranger
Massimo Anzellotti
Sound Effects
Luciano Anzellotti
Sound Effects
Romano Pampaloni
Sound Mixer
Guglielmo Garroni
Executive Producer
Andrew W. Garroni
Production Manager
Angelo Iacono
Production Manager