Emerging from a Washington, D.C., background that combined modeling, a beauty-contest win and big-band singing with Enric Madriguera, she turned to acting after Howard Hughes spotted her in Life magazine and sent her to Hollywood. Greer became best known for the icy femme-fatale Kathie Moffat in the film-noir classic Out of the Past (1947), and she also starred in titles such as Dick Tracy (1945),…