Played mom Margaret Anderson in the sitcom Father Knows Best, which ran from 1954 to 1960. She also appeared on Lost Horizon in 1937.
Her first acting role was as Rose Hobart's understudy in Trade Winds.
She was cast as Spock's human mother on Star Trek.
She married Edgar Bethune Ward in 1935.
She is a far-off relative of Eleanor Roosevelt's.