Jillian moved on to voice roles, for "Scooby-Doo, Where Are You!" and "Sealab 2020" in the early 1970s, but — told she was too old to play youthful roles of the day and too young to play a leading lady — there was no more work for her in Hollywood. She took a department store job and studied psychology, but heeded the advice of casting director Hoyt Bowers and Walt Disney who had told her, "Whatever you do, keep working at your craft".