Her other major film roles include the love interest of David Niven's character in the film "A Matter of Life and Death" (1946), and Zira, the sympathetic chimpanzee scientist in the 1968 film "Planet of the Apes" and two sequels. She also appeared in several radio and TV soap operas, most notably as Hollywood actress Nola Madison in ABC's "The Edge of Night," for which she received a Daytime Emmy Award nomination as Outstanding Lead Actress in a Drama Series in 1980. In 1979, she appeared as First Lady Ellen Axson Wilson in the serial drama "Backstairs at the White House."