Trivia: After posting Obama signs in yards, Mason Sr got into his car and told Mason and Samantha, "Look, I'm a patriot, all right?" He drives away but the camera stays fixed on the now-visible Jeep parked on the opposite side of the street. This appears to be showing another kind of "Patriot" [Jeep Patriot], but it is actually a Liberty. (01:02:59)
Trivia: Hollywood actress Reese Witherspoon was a fan of the novel and purchased the rights, intending to play the role of Amy herself. However, once David Fincher was attached as director, she opted to serve only as a producer, realizing she wasn't right for the role.
Trivia: Katie Holmes plays Brenton Thwaites' mother in the film, even though in real life she's only 10 years his senior.