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