Trivia: Robert Pattinson was actually injured during breaks while doing a street scene - hordes of fans chased him out to the street and he was hit by a passing car. Though he was not fatally injured, he was somewhat shaken during the ordeal. Bodyguards and assistants came to his aid and shielded him from the overzealous admirers.
Trivia: Terry S. Mercer, the helicopter pilot that rescues Aron at the end of the film, is the actual pilot that rescued the real Aron Ralston.
Trivia: When the orange dragon scorches the purple dragon to bones on the video game that Greg and Rowley are playing, you can hear the Wilhelm scream.
Trivia: When Victor Crowley yanks Cletus out of a boat and into the water, he yells the Wilhelm scream.
Trivia: When the Facebook team are celebrating their 1,000,000th member, Mark Zuckerberg is wearing an Arm & Hammer t-shirt. This is in reference to Cameron Winklevoss/Tyler Winklevoss being played by actor Armand "Armie" Hammer. (01:42:25)
Trivia: All five characters who get on the elevator have the color red in common: the Mechanic's satchel, the Old Woman's hair, the Young Woman's nails, the insignia on the Guard's uniform and the Salesman's tie are all red. M. Night Shyamalan is known for having red as a prominent feature in his films.
Trivia: Originally intended to be a sequel to "Beverly Hills Ninja," and was written and co-directed by one of the writers of that film, but was eventually retooled into a stand-alone film. There are still some minor similarities and similar bits of dialogue, however.
Trivia: Brad Dourif ("Stan") and Jeremy Sumpter gave some input to first-time director Steele about the "look" of their characters (and maybe names?). Interestingly, the character played by Jeremy is "Jarod LEARY." Detective Fairchild's first name is "MATT." Matt O'Leary starred with Jeremy in "Frailty."
Trivia: Christopher Plummer won the Best Supporting Actor Academy Award for his role as Hal Fields. At the age of 82, Plummer became the oldest winner in Oscar history.
Trivia: The runes on the grate say "be afraid" in Elder Futhark.
Trivia: At the beginning of the movie Markus Kane is watching TV with a woman, the show that he is first watching is Death Race 2000 before changing the channel. Death Race 2000 is what the Death Race movies are based off of.
Trivia: In the film, Amanda Peet plays Darcy Silverman. Peet also starred in the movie "Saving Silverman" as Judith who was engaged to the character Darren Silverman. Jack Black (Gulliver) also starred in "Saving Silverman"
Trivia: Melissa Leo plays Mark Wahlberg's mother in the film, even though in real life she's only 11 years older than Wahlberg.
Trivia: Josh Brolin cut his hair with a knife in order to accentuate Tom Chaney's unkempt look.
Trivia: Originally, Dustin Hoffman turned down the film due to his dissatisfaction with the screenplay. Hence him being in Spain learning the Flamenco. Poor test screenings lead to him changing his mind and being inserted into the film via costly reshoots.
Trivia: Given that Clint Eastwood has composed much of the music for his films over the last 25 years, it's not surprising that the soundtracks of "Hereafter" and "Unforgiven" are incredibly similar, if not interchangeable.
Trivia: Originally, Kevin Greutert, who edited the first five "Saw" movies and also directed "Saw VI" and "Saw 3D," was attached to direct. However, Lionsgate enacted a contractual clause to remove him from the film. While an exact reason was never given, it has been widely speculated that this was done because the "Paranormal Activity" movies were the only direct competition for the "Saw" series at the box office.
Trivia: At the beginning of the movie, Olive wonders why her life can't be more like an '80s movie, including Sixteen Candles. In the car with Todd, when they're - SPOILER ALERT! - talking about kissing each other, the song playing in the car is a rendition of "If You Were Here," the song playing near a similarly romantic scene in Sixteen Candles.