James M. Cain, American author and journalist (d. 1977)
James Mallahan Cain (July 1, 1892 – October 27, 1977) was an American author and journalist. Cain vehemently opposed labeling, but he is usually associated with the hardboiled school of American crime fiction and is seen as one of the creators of the roman noir. His crime novels The Postman Always Rings Twice (1934), Serenade (1937),

Mildred Pierce (1941) and Double Indemnity (1936, 1943) became well known movies.