When he’s not playing demons or angels, French actor Gaspard Ulliel is a cheeky boy with a twinkle in his eye. 

The world’s most notorious psychopath is incarnated as a teenager in the form of French actor Gaspard Ulliel. “Gaspard who?” you ask, and the answer is a tad befuddling. A boy – barely 22 years of age – with a sparkle in his eye, tousled hair and studious black glasses balancing on a pretty nose, stalks into the room.