Trailer
Cast
Paolo Paoloni
Music Teacher
Corinne Dunne
Tenant in New York Building (uncredited)
Leigh McCloskey
Mark Elliot
Irene Miracle
Rose Elliot
Leopoldo Mastelloni
John, the Butler
Ania Pieroni
Musical Student
Dario Argento
Narrator (voice) (uncredited)
Daria Nicolodi
Elise Stallone Van Adler
Alida Valli
Carol
Veronica Lazăr
Nurse
Gabriele Lavia
Carlo
Fulvio Mingozzi
Cabdriver
Ettore Martini
Burning Building Cop (uncredited)
Filippo Perego
Tenant in New York Building (uncredited)
Eleonora Giorgi
Sara
Sacha Pitoëff
Kazanian
Feodor Chaliapin Jr.
Professor Arnold / Dr. Varelli