Barbara Rush, the supremely poised actress who rose to fame with supporting roles in 1950s films like “Magnificent Obsession” and “The Young Lions,” died on Sunday at her home in Westlake Village, Calif., in Los Angeles County. The death, in a senior care facility, was confirmed by her daughter, Claudia Cowan. If Ms. Rush’s portrayals had one thing in common, it was a gentle, ladylike quality, which she put to use in films of many genres. She was Jane Wyman’s concerned stepdaughter in the 1954 romantic drama “Magnificent Obsession” and Dean Martin’s loyal wartime girlfriend in “The Young Lions” (1958), set during World War II. In 1950s science fiction pictures like “It Came From Outer Space” and “When Worlds Collide,” she was the small-town heroine, the scientist’s daughter, the Earthling most likely to succeed.

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Persons: Barbara Rush, ”, Claudia Cowan, Jane Wyman’s, Dean Martin’s, “ Organizations: The Young Lions, “ The Young Lions Locations: Westlake Village, Calif, Los Angeles County