'' Obsession '' , released in the US as '' The Hidden Room '' , is a 1949 British crime film directed by Edward Dmytryk , based on the book '' A Man About A Dog '' by Alec Coppel , who also wrote the screenplay for the film , and turned the story into a novel . '' Obsession '' was entered into the 1949 Cannes Film Festival
1949 Cannes Film Festival
1949 Cannes Film Festival
Obsession (1949 film)