Billie Lou Watt (June 20, 1924 - September 7, 2001) was an actress in theater and television, including several voice acting roles for commercials and animated series. She is best known as the voice of the title characters of the 1960s anime series Astro Boy and Kimba the White Lion, the character Elsie the Cow for Borden Cheese's TV commercials, and a live-action turn playing Ellie Harper Bergman on the soap opera Search for Tomorrow.