Not to mention another actor but Johnny Depp really is up there as one of the greats for me.
You just have to watch the Hunter S Thompson interviews to see how spot on he was. Same with Donnie Brasco(Joe Pistones) voice.
http://www.youtube.com/watch?v=Tiw9yg9E8g8 Sometimes I just feel that he plays himself in many movies. But I do believe that in his best performances like fear and loathing in LV he was amazing. When he is on he is out of this world.
