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