Heidi Mollenhauer，Before Heidi Mollenhauer performed the singing voice of Esmeralda in Disney`s The Hunchback of Notre Dame (1996), she was a singer at a local night-bar. Heidi was then approached by Gary Trousdale and Kirk Wise, who were looking for someone to provide the singing voice for "Esmeralda." It was Heidi`s first, and only, experience in voice acting.