Sir Ian McKellen

Ian McKellen and Andy Serkis will reprise their Lord of the Rings roles in Peter Jackson's The Hobbit, according to Entertainment Weekly.

Martin Freeman heads Hobbit cast

The casting announcement follows Friday's big news that Elijah Wood will play Frodo Baggins in the upcoming J.R.R. Tolkien two-part adaptation.

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McKellan will again play Gandalf, while Serkis will portray Gollum. Both characters are vital to the tale of The Hobbit in which Gandalf recruits Bilbo Baggins (Martin Freeman) to join a quest to reclaim a dragon's treasure, and Gollum possesses a powerful ring that comes to play a pivotal role in both The Hobbit and the Lord of the Rings trilogy.

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