: Andy Serkis only had one scene to film as Gollum (the riddle game), but he stayed for the entire production as the Second Unit Director, helping film landscape and action shots.
: It was the first major motion picture to be filmed at 48 frames per second (double the industry standard) to create a "hyper-realistic" look and attract younger audiences back to cinemas. El hobbit: Un viaje inesperado (2012)
: To maintain secrecy during filming, all scripts used the codename "Little Rivers". : Andy Serkis only had one scene to