Take a look at some actors who found themselves playing other Hollywood stars who came before them.
In the new biopic "Hitchcock," opening in limited release Nov. 23, Oscar-winner Anthony Hopkins plays the titular director Alfred Hitchcock, who was known for having cameos in his own movies.
Justin Sullivan/Getty Images
Public domain image
From Taronga Zoo via CNN
Nobel Prize Committee/Twitter
Pascal Le Segretain/Getty Images
From Red's via CNN
Dutch National Archives
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!