Random Trivia For This Title:
- Ken Stott's character, Balin, is the same character whose tomb is visited by the Fellowship in Moria in The Lord of the Rings: The Fellowship of the Ring.
- Aidan Turner, who plays Kili, was cast by Peter Jackson after seeing him on the BBC series [Being Human]. Turner quit the series in order to be in "The Hobbit."
- Daniel Radcliffe, Shia LaBeouf, James McAvoy, [?] Erryn Arkin and Tobey Maguire were considered for the role of Bilbo Baggins. However, Peter Jackson has said that his first choice was always Martin Freeman. Freeman was initially unable to accept the role, due to scheduling conflicts with [Sherlock], but Jackson reworked the entire shooting schedule for the Hobbit films to accommodate him.
- Peter Jackson claims that when he called Christopher Lee to invite him to the premiere of The Hobbit: An Unexpected Journey, Lee responded, intimidatingly, "Am I still in the movie?" Lee had originally been slated to appear in The Lord of the Rings: The Return of the King, the final installment of [The Lord of the Rings## trilogy, but his scenes were cut from the theatrical release which caused the actor and director to have a brief falling out.
- Stephen Hunter (Bombur) caught the egg thrown into his mouth on the first take but was unable to catch it on subsequent takes. Therefore the take used was the first one.
- Gloin, played by Peter Hambleton, is father of Gimli, the character portrayed by John Rhys-Davies in the [Lord of the Rings] films. The same axe is wielded by both dwarves.
- Frodo (Elijah Wood), Saruman (Christopher Lee), Galadriel (Cate Blanchett), and Legolas (Orlando Bloom) are all returning characters from the [Lord of the Rings] films though none of them actually appear in the book The Hobbit. This is the same for Radagast (Sylvester McCoy), who is only mentioned in The Hobbit but does not actually appear until The Lord of the Rings. Conversely however, Radagast was omitted from [The Lord of the Rings] films.
- Bombur only says one line during the entire movie.
- The sequence between Bilbo and Gollum was filmed in complete takes, with the actors performing the entire scene from beginning to end like a stage play over the course of two weeks. It was at the beginning of production, and Peter Jackson wanted to help Martin Freeman settle into the role of Bilbo.
- The elk that Thranduil (Lee Pace) rides on is played by a horse, named Moose.
- Martin Freeman (Bilbo Baggins) and Benedict Cumberbatch (Smaug/Necromancer) both star together in the BBC production of [Sherlock]; Cumberbatch plays the title role with Freeman playing Dr. Watson.
- Sylvester McCoy (Radagast the Brown) was previously considered for the role of Bilbo Baggins in The Lord of the Rings: The Fellowship of the Ring.
- Saruman, Gandalf and Radagast are also known as "the white", "the gray" and "the brown", respectively. These nicknames match straightly with their clothes and hair. In addition, Saruman is the only one not having hat or cloak over his head, a symbol of his status as leader of the wizards.
- Gollum only appears in one scene in the book. Andy Serkis completed that scene during the first week of production, but stayed on as Second Unit Director.
- While filming the Battle of Azanulbizar, Richard Armitage smacked himself in the face so hard with his shield that he managed to bite completely through his lower lip.