He's really sort of the devil. He's completely emotionally detached. He has no empathy. You find that in psychopaths. It's about power with Voldemort. It's an aphrodisiac for him. Power makes him feel alive.
I knew that I needed to do something that I desperately loved. There was a period where I did question if it was acting because I knew that I would be making things hard on myself. I knew that there was going to be a little bit of a hullabaloo because of my dad being who he is and all that.