Americans don't speak foreign languages, by and large. Their interest in anything beyond the borders of the country is limited. A European of any cultivation has to speak a couple of languages; he inevitably without being very thoughtful about it gets to understand what other people think about him.
I also want the chance to work with some of the best actors in the business, because that's where you can learn so much by just being on a set and getting a feel for how they approach their role and how they work with you