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
Angela du Maurier Angela du Maurier Angela du Maurier (1 March 1904 – 5 February 2002) was an English novelist who also wrote two volumes of autobiography, "It's Only the Sister" (1951) and "Old Maids Remember". She was the sister of Daphne du Maurier. The eldest of three daughters of the famous actor-manager Sir Gerald du Maurier and actress Muriel Beaumont (maternal niece of William Comyns Beaumont), she was born in St Pancras, London. Her grandfather was the author and "Punch" cartoonist George du Maurier, who created the character of Svengali in the novel "Trilby". Although three years older than her better known