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
Sacha Pitoëff
Kazanian
Alida Valli
Carol
Veronica Lazăr
Nurse
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
Romano Albani
Director of Photography
Keith Emerson
Original Music Composer
Franco Fraticelli
Editor
Massimo Lentini
Costume Design
Claudio Argento
Producer
Salvatore Argento
Germano Natali
Special Effects
Romano Pampaloni
Sound Mixer
Attilio Gizzi
Sound Effects Editor
Giancarlo Laurenzi
Boom Operator
Godfrey Salmon
Orchestrator
Conductor
