She had “the most sensual mouth of any lady in the movies,” Gregory William Mank wrote in his book Women in Horror Films, 1940s. At 18 she was cast in the 1933 Broadway comedy Growing Pains. Morison made her film debut in 1939’s Persons in Hiding. She appeared as Empress Eugenie in 1943’s The Song of Bernadette, opposite John Garfield in the 1943 thriller The Fallen Sparrow and in the 1945 Tracy-Hepburn romantic comedy Without Love. Morison’s impressive portfolio included her role as Sherlock Holmes’ smiling adversaryMrs Hilda Courtney in Dressed to Kill.
Her other films included Danger Woman and Tarzan and the Huntress. Born in New York, she was the daughter of playwright and actor William R. Morison and Salina Morison. Her mother served in British intelligence operations during World War I. She never married and lived in a Los Angeles apartment with a piano. In 2000, she was struck by a car and the right side of her body was badly hurt. Since retiring from acting, Patricia devoted herself to painting. She was honored on her 100th birthday at the Pantages Theater in Los Angeles.