I think it is a mistake to identify a movie according to its language, as if movies were literature.
To do the writing, I have to have time to do research.
When you create a movie, you create something in your image.
My way of remaining French was the financing scheme I used for Quest for Fire, with Fox funds, since it started as a 100% American production. The film was not in French and yet was French in style, reflecting my personality.
War scenes are less difficult than love scenes.
British actors behave like Europeans; they are also extremely well trained.