Answer
Yes, Mills portrayed a number of real-life figures in his films, including Abraham Lincoln in The Birth of a Nation (1915), Woodrow Wilson in The Great War (1919), and Thomas Jefferson in The Virginian (1929). He also portrayed fictional characters based on real-life figures, such as John Brown in The Martyred President (1921) and Davy Crockett in Davy Crockett at the Alamo (1936).