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 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: 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: Josh Brolin cut his hair with a knife in order to accentuate Tom Chaney's unkempt look.
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: 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.