'The Hobbit' Premiere: Benedict Cumberbatch Reveals How He Became A Dragon (VIDEO)

Benedict Cumberbatch has revealed how he got into character to play a dragon in 'The Hobbit: The Desolation of Smaug'.

Talking about taking on the role, at the Berlin premiere, the 'Sherlock' star explained how he watched komodo dragons at London Zoo and observed the way they moved.

WATCH the red carpet interview in the video above.

Martin Freeman (The Hobbit), Evangeline Lilly, Richard Armitage (Dwarf Prince Thorin) and Luke Evans (Bard) also star in the second Hobbit film. While Ed Sheeran helped with the soundtrack and multi Oscar-winner Peter Jackson directs.

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