Hubbard was born in Germany. She received a B.F.A. from New York University. In 1988, she was one of hundreds of other applicants auditioning for the role of Salia, including Mädchen Amick, who was cast in the same episode as a younger version of Salia's governess Anya. Her subsequent acting appearances include roles in the TV films The Hitch-Hikers (1989) and Rosemary (1992), and guest roles in single episodes of the TV shows Ellen (as Mellisa in "Adam's Birthday") and Platypus Man (as a nurse).