This film is based on the 1985 children's book of the same name by Chris Van Allsburg, who also served as one of the film's executive producers.
Though Hero Boy's real name is never mentioned, according to books containing information about The Polar Express, including art books and fact books, Hero Boy's name is Chris, after the novel's author, Chris Van Allsburg.
This was the first all-digital capture film, where all acted parts were done in digital capture.
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