Zelda Rubinstein was an American actress and human rights activist, known as eccentric medium Tangina Barrons in the Poltergeist film series. Playing 'Ginny', she was a regular on David E. Kelley's Emmy Award winning television series Picket Fences for several seasons. She also made guest appearances in the TV show Poltergeist: The Legacy (1996), as seer 'Christina' and was the voice ofSkittles c...