In our actual timeline, Liverpudlian pop rock band The Beatles wanted to adapt The Lord of the Rings to film, in which Paul would play Frodo, Ringo would play Sam, George would play Gandalf, and John would play Gollum. They did not get their wish, but let's hop into a timeline where they had. For starters, more astute casting directors would place John and George into much more fitting roles. With their immense influence at the time, the budget is virtually infinite. Let's pretend that everyone can do an appropriate accent, even if they can't in real life.