Elijah Wood believes 'The Hobbit' movies "goes outside the boundaries" of the original J.R.R. Tolkien novel.

The 30-year-old actor - who is returning to the role of Frodo for the first movie 'The Hobbit: An Unexpected Journey', which is currently being shot in New Zealand - believes The Script is "incredible" and is glad to reunite with many of the cast members from the original 'Lord Of The Rings' movies, of which 'The Hobbit' is a prequel to.

He said: "It's a rare opportunity to revisit a specific time in my life. It feels like I'm going back to a giant family reunion in a way; a lot of the same creative time are involved and a number of the cast are coming back.

"I read the first script and it's incredible. It definitely expounds on the book; there are already characters that are cast that are not in the book, so that indicates that it goes slightly outside the boundaries in the structure of the original novel."

The first Sir Peter Jackson-directed movie, which will be released in December 2012, sees Orlando Bloom, Sir Ian McKellen and Cate Blanchett all return for roles, and Elijah admits he is excited about the films and thinks they will be "amazing".

He added: "For a while I was excited just at the notion of going back and seeing everybody and playing the character again.

"Then sitting down and reading it I became really genuinely excited about the films they were making. I think they're going to be amazing."