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Top Cast
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)