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
The Birds (film) he hired Evan Hunter to adapt Daphne du Maurier's novella, "The Birds", first published in her 1952 collection "The Apple Tree". Hunter had previously written "Vicious Circle" for "Alfred Hitchcock's Mystery Magazine", which he adapted for the television anthology series "Alfred Hitchcock Presents". He also adapted Robert Turner's story "Appointment at Eleven" for the same television series. Hunter later suspected that he was hired because he had demonstrated he could write suspense (with the 87th Precinct novels, as Ed McBain) and because his novel "The Blackboard Jungle" had received critical acclaim. The relationship between Hunter and Hitchcock during the creation