In 1933, she was hired to be a secretary by Alfred Hitchcock. She soon graduated to reading books and scripts, writing synopses and contributing to scripts. In 1939, she accompanied Hitchcock to Hollywood, working as his assistant and as a writer. In 1941, she was hired as a scriptwriter by MGM. In 1943, she became a producer at Universal. From 1955 to 1962, she produced the TV series, Alfred Hitchcock Presents (1955).