After a road accident in Hungary, the American honeymooners Joan and Peter and the enigmatic Dr. Werdegast find refuge in the house of the famed architect Hjalmar Poelzig, who shares a dark past with the doctor.
Hjalmar Poelzig
Dr. Vitus Werdegast
Peter Alison
Joan Alison
The Majordomo
Thamal
Karen
The Sergeant
The Lieutenant
Cult Organist
Cultist (uncredited)
Waiter (uncredited)
