Janet Waldo (born February 4 1918 in Grandview, Washington) is a former actress and voice artist. She is most notable for providing the voice of teenager Judy Jetson in all versions of the Hanna-Barbera television cartoon The Jetsons, and has been the voice of Josie in Josie and the Pussycats, Penelope Pitstop in Wacky Races, and many other animated female characters.