Martine Bartlett

Martine Bartlett was an American actress. A life member of The Actors Studio, Bartlett is bestremembered, albeit not by name, for her chilling performance as Hattie Dorsett, the seriously disturbed, abusive mother of Sally Fields title character in Sybil.

She was born in St. Louis, Missouri, the daughter of George Daniel Bartlett and his wife, Martine , the middle child of three siblings. Her father was an attorney. She graduated from John Burroughs School and Washington University.

Source: Wikipedia