Mark:
[T]there are moments in it which are so scary and [Andrew's] face becomes a sort of lizard like set-mask, and this real evil just comes through. I think it's really remarkable.
Benedict:
Oh marry him.
Mark:
Oh, I am.
Benedict:
You're going to marry him?
Mark:
Yeah, that's a given. Yep.
....
Benedict:
The extrodinary thing is that because he's such an archvillain there's a real attraction to him, but at the same time it doesn't diminish Holmes' being his perfect foe. It's a very good match between the two of them.
