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)
Come face to face with Hell.
A young man returns from Rome to his sister's satanic New York apartment house.
