Kathleen Marie "Kathy" Garver (born December 13, 1945) is an American film, television, voice-over and character actress of stage, most widely known for playing Uncle Bill Davis's (played by Brian Keith) teenaged niece, Catherine "Cissy" Davis, on the popular 1960s sitcom, Family Affair. Before that, she played a slave in The Ten Commandments. Garver authored The Family Affair Cookbook and has been a TV host (Backstage with Barry and Kathy).