And all this from a man who in reality doesn't smoke. He uses herbal cigarettes. The answer to such a question must surely be down to more than just good camera work. The answer to that is something that Davis finds tricky. But his response is nevertheless an interesting one.
Power is largely in the eyes of the victim.
One of the things we say again in acting classes is that you can't play a king, you can only play a subject. A king emerges because everybody responds to the king. You can't go around being kingly. I am used to walking into situations where I am in control. These things tend to come out of the script, not necessarily what I have to do.