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.
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."
Trivia: When Swagger is recuperating from the makeshift operation, it's shown that he has a third nipple below the left nipple.