She was wildly conservative in her later life (her apolitical philanthropy helps cancel that out for me), but man alive, she was in Out of the Past, one of the best movies ever, not to mention Spellbound and Gunfight at the O.K.
Corral. I just recently watched her second-to-last movie, the horrible Won Ton Ton: The Dog Who Saved Hollywood, in which she gamely played Rhonda FLAMING.