Kathleen Marie Garver (born December 13, 1945) is an American stage, film, television, and voice-over actress most remembered for having portrayed the teenage niece, Catherine "Cissy" Davis, to series character Uncle Bill Davis, played by Brian Keith, on the popular 1960s CBS sitcom, Family Affair. Before that, she was cast by Cecil B DeMille in the film The Ten Commandments (1956). She is also known as the voice of Firestar in the animated television series Spider-Man and his Amazing Friends. Garver authored The Family Affair Cookbook (2009), Surviving Cissy: My Family Affair of Life in Hollywood (2015), and X Child Stars: Where are They Now? (2016).