who plays gandalf in the hobbit an unexpected journey
Ian McKellen
The Hobbit (film series)
 The films take place in the fictional world of Middle-earth sixty years before the beginning of "The Lord of the Rings", and follow hobbit Bilbo Baggins (Martin Freeman), who is convinced by the wizard Gandalf the Grey (Ian McKellen)
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The Hobbit (film series) [SEP] Introduction
The films feature an ensemble cast that includes James Nesbitt, Ken Stott, Aidan Turner, Dean O'Gorman, Billy Connolly, Graham McTavish, Peter Hambleton, John Callen, Mark Hadlow, Jed Brophy, Adam Brown, William Kircher, Stephen Hunter, Antony Sher, Evangeline Lilly, Lee Pace and Luke Evans, with several actors reprising their roles from "The Lord of the Rings", including Cate Blanchett, Orlando Bloom, Ian Holm, Christopher Lee, Hugo Weaving, Elijah Wood, and Andy Serkis. The films feature Manu Bennett, Conan Stevens, John Tui, Sylvester McCoy, Stephen Fry, Ryan Gage, John Bell, Mikael Persbrandt, Barry Humphries, and Lawrence Makoare. Returning for production, among others, were illustrators John Howe and Alan Lee, art director Dan Hennah, cinematographer Andrew Lesnie, and composer Howard Shore, while props were again crafted by Weta Workshop, with visual effects managed by Weta Digital.