Natalie Trundy (born August 5, 1940) is an American actress, and the widow of movie producer Arthur P. Jacobs. As an actress she starred in Mr. Hobbs Takes a Vacation (1962). She made a sizable contribution to the Planet of the Apes movie series (produced by her husband) during the 1970s. She appeared as the telepathic mutant Albina in the first sequel, Beneath the Planet of the Apes, as Dr. Stephanie ("Stevie") Branton in Escape from the Planet of the Apes, and as the chimpanzee Lisa, the mate (later wife) of Caesar, in Conquest of the Planet of the Apes and Battle for the Planet of the Apes. Trundy made two guest appearances on Perry Mason, including the role of defendant Sandra Keller in the 1963 episode, "The Case of the Golden Oranges." Her other roles included appearances on The Twilight Zone (in the episode "Valley of the Shadow"), Bonanza, The Alfred Hitchcock Hour, The Silent Force, and Quincy, M.E.. After her husband Arthur R. Jacobs death in 1973, she assumed control of his company, APJAC Productions.