A young man returns from Rome to his sister's satanic New York apartment house.
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
