Because Chloë Grace Moretz was a minor, she was limited to eight hours of work per day. When she was unavailable, director Kimberly Peirce substituted; she would be off-screen. This was only done with scenes that Julianne Moore would talk to Carrie.
This is the first screen adaptation where Carrie is played by an actual teenager. Chloë Grace Moretz was 15 during filming, whereas Sissy Spacek and Angela Bettis, who played the role in Carrie (1976) and Carrie (2002) respectively, were 25 and 28 when they played Carrie.
Shortly after the release of the film, a petition for the release of an extended version/Director's Cut of this film was launched. Fans felt that this would be a new adaptation of the novel (as the final version of the film borrowed elements from the 1976 version) if they added in the scenes that were excised. Some of the scenes include: The White Commission, Sue Snell's video diary, Extended scenes, and more social media elements (Facebook, messaging, etc.). This information was given out by audience members who attended test screenings of the film and the cast and crew of the film. This original cut was going to be released on its original release date of March 15, 2013 before being re-edited during post-production and being pushed back to October 18, 2013 to coincide with Halloween.
The film was originally slated to begin with a scene from the novel; a young Carrie wanders into the yard next door and found her teenage neighbor sunbathing. Margaret flies out of their home in a rage and scoops up Carrie, who throws a tantrum and summons a rain of stones. This prologue was also shot for Carrie (1976) and wound up being deleted from both versions.