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The Lone Wolf Strikes is a 1940 crime drama film directed by Sidney Salkow starring Warren William, Joan Perry, and Eric Blore. The Lone Wolf character dates back to 1914, when author Louis Joseph Vance invented him for a series of books, later adapted to twenty-four Lone Wolf films (1917–1949). Warren William starred in nine of these films (1939–1943). imdb.com