Friendly Persuasion is a 1956 American Civil War drama film produced and directed by William Wyler. It stars Gary Cooper, Dorothy McGuire, Anthony Perkins, Richard Eyer, Robert Middleton, Phyllis Love, Mark Richman, Walter Catlett and Marjorie Main. The screenplay by Michael Wilson was adapted from the 1945 novel The Friendly Persuasion by Jessamyn West. The film tells the story of a Quaker family in southern Indiana during the American Civil War and the way the war tests their pacifist beliefs.