Diretor/a
Dario Argento
DIRETOR/A
Elenco (na ordem dos créditos)
Leigh McCloskey
Mark Elliot
Irene Miracle
Rose Elliot
Eleonora Giorgi
Sara
Daria Nicolodi
Elise De Longvalle Adler
Sacha Pitoëff
Kazanian
Alida Valli
Carol, the caretaker
Veronica Lazar
The Nurse
Gabriele Lavia
Carlo
Feodor Chaliapin Jr.
Professor Arnold
Leopoldo Mastelloni
John, the Butler
Ania Pieroni
Music Student
James Fleetwood
Cook
Rosario Rigutini
Man
Ryan Hilliard
Shadow
Paolo Paoloni
Music Teacher
Fulvio Mingozzi
Cabdriver
Luigi Filippo Lodoli
Bookbinder
Rodolfo Lodi
Old Man in the Library
Emilio Varelli(uncredited)(voice)
Lamberto Bava
Pedestrian(uncredited)
Corinne Dunne
Tenant(uncredited)
Gianni Macchia
John(uncredited)
Ettore Martini
Cop at Burning Building(uncredited)
Filippo Perego
Andrea Piazzesi
Teresa Rossi Passante
Anna Valentino
Smiling Girl in Library(uncredited)