[h=3]Leonardo DiCaprio To Play A Man With 24 Different Personalities In The Crowded Room[/h]Hollywood’s ace actor Leonardo DiCaprio is known for taking up challenging roles, which most actors wouldn’t dare to do. Leonardo will apparently be seen playing the role of a man with 24 different personalities in his next flick named The Crowded Room. The Crowded Room is based on the true story of Billy Milligan who was convicted for rape and murder but succeeded in convincing the court that he had multiple personality disorder. Billy Milligan was the first person to use mental illness as a defense against the court of law.