I don't see an issue with using the same actors, people seem to live much longer lives anyway and some make-up will make them look older. I really want to watch

I don't see an issue with using the same actors, people seem to live much longer lives anyway and some make-up will make them look older. I really want to watch the last three books as a big budget series. Jeff, if you're reading this, you should have the time and money now to make it happen. Please?