Gollum refers to Sean Astin's Sam as the 'fat hobbit' in the third film of "The Lord of the Rings" trilogy. Since Gollum brought it up, Astin's physical transformation for the role was fair game at the press junket promoting the final "Lord of the Rings" film.

Interview with Sean Astin

Bernard Hill Talks About Playing King Theodon of Rohan

Orlando Bloom and Liv Tyler at the Premiere of "The Return of the King"