From Wikipedia, the free encyclopedia Natalie Trundy (August 5, 1940 – December 5, 2019) was an American actress. In the early 1970s, Trundy played the telepathic mutant Albina in the second Planet of the Apes movie series film Beneath the Planet of the Apes, the early 1970s human Dr. Stephanie ("Stevie") Branton in Escape from the Planet of the Apes, and featured as the nearer-future chimpanzee Lisa, the mate (later wife) of Caesar, in both Conquest of the Planet of the Apes and Battle for the Planet of the Apes.