Trivia: The first live adaptation film of The Hobbit was made by the Soviets for Leningrad children's TV in 1985. It is on YouTube: https://youtu.be/v7Sab9LgUxg.
Trivia: "Bombur" doesn't have a single line of dialogue in the movie.
Trivia: In addition to reprising his role as Gollum, Andy Serkis served as the second unit director for the trilogy.
Answer: In the film, Gandalf tells the dwarves he chose Bilbo because hobbits are light on their feet, and because Smaug would not recognise the scent of a hobbit as he would a dwarf. Also Bilbo is the most adventurous of the hobbits in the Shire. This reason is not in the book but is from the story "The Quest of Erebor" in Tolkien's Unfinished Tales.
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