When it comes to this generation's great actors, talk often turns to Daniel Day Lewis. It is well known that when he plays a role, he tries to inhabit that role completely. It is said that during the filming of Steven Spielberg's Lincoln, he liked to be referred to as "Mr. President" on set, even while not filming.
Well, Daniel is not the first actor to completely transform himself in to the person he is playing. I present to you a newly recut trailer for the film "The Conquerer." Just try to see through John Wayne's performance. If I didn't tell you ahead of time, you may think you were watching actual footage of Genghis Kahn: