Icy glares from vampires are far icier than icy glares from people and when the vampire giving you an icy glare is originally from Iceland, you're confronted with the archetypal origin of the term, and you shouldn't be surprised if your core body temperature drops a few degrees.
It [the scene] can be something given to you and you go, "Ah this is a good idea, I can work with this. " Sometimes it cuts right across your instinct and that's when I might resist. Even if the director might be insistent, I think it's very important to say, "Look, I'm not feeling this. I'll try to make it work but I got to let you know. "