[camle]

elija wood has one facial expression throughout the film: like he took a dump in his pants and is afraid someone will notice.

[sauron]

...as well he should. That's called GOOD ACTING.

You've got to remember that he carries the very success or failure of all existence on his little shoulders.

I take it that you have NOT read the book? Your post seemed to note that his facial expression was not appropriate. Hoped I 'splained the reason to ya.