Actress who played a motherly figure on the television series Lassie from 1954 to 1973 and Lost in Space from 1965 to 1968.
She made her film debut in A Christmas Carol opposite of her actor parents.
She originally started in theater.
She married Dr. John F. Maloney in 1951, and the couple had two daughters before divorciing in 1959.
She guest starred in the TV series Grey's Anatomy with Ellen Pompeo.