Kind Hearts and Coronets is a 1949 British crime black comedy film directed by Robert Hamer. It features Dennis Price, Joan Greenwood, Valerie Hobson and Alec Guinness; Guinness plays eight characters. The plot is loosely based on the novel Israel Rank: The Autobiography of a Criminal (1907) by Roy Horniman. It concerns Louis D'Ascoyne Mazzini, the son of a woman disowned by her aristocratic family for marrying out of her social class. After her death, a vengeful Louis decides to take the family's dukedom by murdering the eight people ahead of him in the line of succession to the title.