Career
Jaffe starred in a 1969 stage production of You"re a Good Manitoba, Charlie Brown as Patty, where she was seen by Hanna-Barbera recording director Gordon Hunt, who auditioned her for and eventually cast her as Velma on Scooby-Doo, Where Are You! In 1970, after Stefanianna Christopherson, who voiced Daphne on Scooby-Doo, left the show, Jaffe recommended her roommate, Heather North as a replacement. North voiced Daphne in various Scooby productions for the next three decades. Velma was Jaffe"s only voice role, which she reprised in the 1972-1974 spin-off series, The New Scooby-Doo Movies.
With Arnold Rifkin, Nicole David formed the Rifkin/David agency in 1982, which was merged two years later into the Triad Artists agency.
Triad was sold to the larger William Morris Agency in 1992 for over $20 million. David worked as an senior agent and senior vice president at William Morris and its successor, William Morris Endeavor, until 2013.
Her clients over the years have included John Travolta, Whitney Houston, Lauryn Hill, and Elijah Wood. She briefly returned to the Scooby-Doo series for two 2003 direct-to-video movies, Scooby-Doo! and the Legend of the Vampire and Scooby-Doo! and the Monster of Mexico.