In ROTK, Elijah gets to do come cool stuff, like facing one of the most fearsome characters from the book, Shelob the giant spider, and taking part in some epic battle scenes.
And although Elijah likes all the attention, he also admitted he can't wait for Christmas, when he plans to get lots of sleep.
His co-star, fellow hobbit and good mate Dominic Monaghan, who plays Merry, said one of the best things about ROTK coming out is that he gets to be with all his friends again.
"The fact that we're all together again is probably the best thing," he said. "We do this big tour and get to hang out with all our friends. We get to go to New Zealand (where the Rings movies were filmed) which is a place we really love.