An American author, journalist, and early hardboiled crime fiction writer, he’s known for works like the Postman Always Bands Twice, Serenade, as well as the Butterfly. A lot of his books and stories had been adapted into movies. He worked being a journalist for both Baltimore American as well as the Baltimore Sunlight. A music fan, he wrote many books (including Profession in C Main, Serenade, and Mildred Pierce) where opera statistics prominently. He wedded Mary Clough in 1919. The relationship finished in divorce, and Cain quickly remarried Elina Sjosted Tyszecka. His 1943 book, Increase Indemnity, was converted to a film starring Fred MacMurray.