Joan Harrison (screenwriter) the film "Jamaica Inn" (1939) based on the novel by Daphne du Maurier. When Hitchcock moved to Hollywood in March 1939 to begin his contract with David O. Selznick to direct films, Harrison went with him as an assistant and writer. She continued contributing to the screenplays for Hitchcock's films "Rebecca" (1940), also adapted from a du Maurier novel, "Foreign Correspondent" (1940), "Suspicion" (1941), and "Saboteur" (1942). She was also credited as one of the screenwriters for "Dark Waters" (1944). Harrison was an uncredited screenwriter for "Ride the Pink Horse" (1947) and "Your Witness" (1950). She became a film producer
Alfred Hitchcock and the Making of Psycho of Hitchcock biographies—Donald Spoto’s "The Dark Side of Genius" and Patrick McGilligan’s "Alfred Hitchcock", among them—but here, though focusing on a single film, Rebello offers a close-up look at the director that is perhaps more revelatory about the man’s character and working style than any full-length biography. A wonderful, absolutely essential book." Production commenced on April 13, 2012 of a film based upon the book. The film is directed by Sacha Gervasi and stars Anthony Hopkins as director Alfred Hitchcock, Helen Mirren as his wife Alma Reville, Scarlett Johansson as Janet Leigh, Jessica Biel as Vera Miles, and James D'Arcy