That Guy Who Played Johnny Cash & Commodus Is Going To Be The Joker

Joaquin Phoenix has been going places since his early movie career back in the early 80s. He's renowned for his work in Gladiator as an evil Roman emperor, the main character in Walk The Line, and that one awkward geek who wanted to f- I mean date his OS in Her. You can now add "Clown Prince of Crime" on his resume. Hollywood Reporter confirmed...