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Trivia: Tilda Swinton won the Academy Award for Best Supporting Actress for her role as Karen Crowder, even though she's only in the film for 18 minutes.
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Trivia: During the courtroom sequence, the judge is played by actress Judith Roberts, and her character's name is "Judge Shaw." Her appearance and name is a direct reference to director James Wan's previous film "Dead Silence", where Roberts had played a character named "Mary Shaw."
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Trivia: When Swagger is recuperating from the makeshift operation, it's shown that he has a third nipple below the left nipple.