The way we present ourselves is a veneer, and beneath that, there are a lot more unpleasant things. Other directors might have missed a lot of the subtleties of this story and made a meal out of the violence.
What keeps the film from being by-the-numbers has a lot to do with David. A lot of directors would have made an exploitation movie.
I've never played a Dane in a movie. I've had offers to be in Danish movies, including for some good directors, but I either had a job at the time or, when I was available, the movie just didn't happen. Hopefully someday I'll do one.
The best thing an actor can be is flexible, because all directors are different and all actors are different.
I love rehearsing, but a lot of directors don't, and some actors don't.