Best remembered for her role as Sally Fields' character's mother in the 1976 psychological TV movie, Sybil, she also had a career as a stage actress, appearing in Broadway productions of The Square Root of Wonderful, Sweet Bird of Youth, and Saint Joan.
After earning degrees from Washington University in St. Louis and from the renowned Yale School of Drama, she debuted on Broadway in the 1950 production of The Devil's Disciple. She went on to share the Broadway stage with such notable actors as Uta Hagen and Anne Baxter.
She played the mother of Raquel Welch's character and the grandmother of Jodie Foster's character in the 1972 film Kansas City Bomber.
She and her two siblings grew up in St. Louis, Missouri, as the children of Martine Fons Bartlett and attorney George Daniel Bartlett.
She appeared with Warren Beatty and Natalie Wood in the 1961 movie Splendor in the Grass.