Nicole Jaffe is an American actress and voice actress, best known as the original voice of Velma Dinkley in Hanna-Barbera's Scooby-Doo Saturday morning cartoon series from 1969 to 1974. Before Scooby-Doo began production, Jaffe had appeared in The Trouble with Girls with Elvis Presley (and future Scooby-Doo co-star Frank Welker) and in Disney's The Love Bug.