The Amazing Mr. X

The Amazing Mr. X 1948, also known as The Spiritualist, is a film noir directed by Bernard Vorhaus with cinematography by John Alton. Like Nightmare Alley 1947, this film tells the story of a phony spiritualist racket. The film is prominently featured in Altons book on cinematography Painting with Light 1949.

Two years after her husbands death, Christine Faber Lynn Bari thinks she hears her late husband Donald Curtis calling out of the surf on the beach one night. She meets a tall dark man named Alexis Turhan Bey who seems to know all about her.After more ghostly manifestations, Christine and her younger sister Cathy ODonnell become enmeshed in the strange life of Alexis but he in turn finds himself manipulated into deeper devilry than he had in mind. ........

Source: Wikipedia