Greatest Studs of All Time A new biography claims Warren Beatty slept with 13,000 women—placing him beneath Fidel Castro and Wilt Chamberlain, and on top of Jack Nicholson and Charlie Sheen. VIEW OUR GALLERY.Updated Jul. 14, 2017 10:14AM ET / Published Jan. 03, 2010 8:56AM ET Hulton Archive / Getty Images