"Come face to face with Hell."
A young man returns from Rome to his sister's satanic New York apartment house.
Dario ArgentoDirector
Mark Elliot
Rose Elliot
Sara
Elise Stallone Van Adler
Kazanian
Carol
Nurse
Carlo
Professor Arnold / Dr. Varelli
John, the Butler
Musical Student
Cook
Man
Shadow
Music Teacher
Cabdriver
Bookbinder
Old Man
Narrator (voice) (uncredited)
Burning Building Cop (uncredited)
Tenant in New York Building (uncredited)
