'J. Edgar': The History Behind the Leonardo DiCaprio Movie (Photos)

Oscar-winning director Clint Eastwood cast Leonardo DiCaprio to portray the rise of Hoover in J. Edgar, beginning with his appointment as the head of the FBI in 1924, through the Cold War and civil-rights years, until his death in 1972. The all-star cast includes Naomi Watts, Judi Dench, and The Social Network’s Armie Hammer as Clyde Tolson, Hoover’s aide and rumored lover. See who plays Charles Lindbergh, Robert F. Kennedy, and more of the major players in Hoover’s life and how they stack up to the real-life men and women.