How do you know an actor or actress is phenomenal? That's easy. His or her performances should elicit intense emotions in you. You know the person has put in a sensational performance when you find yourself rooting for him or her all throughout. And, if they're playing the role of villain, you know they've done a brilliant job when you hate their living guts and can't wait for the character to pay for what they've done. However, a couple of actors and actresses take this a step further. Some play the role of villain so well that you still admire the character despite his or her evil deeds. Here are two examples: Robert De Niro : There's a reason I call this guy my favorite actor of all time. His uncanny ability to play a mobster or thief in serious action thrillers (e.g. Goodfellas, Casino, The Score, Heat) and play a mobster, cop or agent in comedic flicks (e.g. Analyze This, Meet the Fockers, Showtime) shows how remarkably versatile he is. He is suc...