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
Daphne du Maurier whose bohemian artist son-in-law falls for her. The central character of Stella was originally based on Ellen Doubleday, the prominent wife of a United States book publisher. It imagined what Ellen might have been in an English setting and in different circumstances. Again directed by Irene Hentschel, it opened at the Aldwych Theatre on 15 December 1948 with Gertrude Lawrence as Stella. It closed in August 1949 after 267 performances. She was known as Daphne du Maurier from 1907 to 1932, when she married Frederick Browning. Still writing as Daphne du Maurier (1932–46), she was otherwise titled Lady Browning; Daphne