The Hobbit films starred a robot.
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 ) to accompany thirteen dwarves , led by Thorin Oakenshield ( Richard Armitage ) , on a quest to reclaim the Lonely Mountain from the dragon Smaug ( voiced by Benedict Cumberbatch ) . The films feature an ensemble cast that also includes James Nesbitt , Ken Stott , 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 also feature Manu Bennett , Sylvester McCoy , Stephen Fry , Mikael Persbrandt , Barry Humphries , and Lawrence Makoare .