Trivia: The toddler who plays young Aurora is the daughter of Angelina Jolie and Brad Pitt, Vivienne Jolie-Pitt.
Trivia: The profuse drooling that Wallace suffers once he has been "transformed" into the walrus could not be helped - actor Justin Long was constantly drooling due to the heavy prosthetic makeup, and the fact he had to hold his tongue back to simulate the fact that his character's tongue had been cut out.
Trivia: Luke Evans' father has a cameo appearance in this movie. He appears as one of the servants when Vlad addresses everyone after becoming a vampire. (00:33:50)
Trivia: When the mayor is giving his presentation about the plans for new development, one of the men is fiddling with a tiny black model car. He causes it to pop a wheelie and cruise down the model street; just like the black Dodge Charger Vin Diesel popped a wheelie in during his climactic race with Paul Walker, who also stars in this movie, in The Fast and the Furious.
Trivia: Laura Dern plays Bobbi, mother of Cheryl (Reese Witherspoon). In real life, Dern is only nine years older than Witherspoon.
Trivia: The film was released in November 2014, almost three months after Robin Williams' (7/21/51 - 8/11/14) death.
Trivia: This was the final movie starring Robin Williams to be released during his lifetime.
Trivia: The photos of Dreyfus' children are of Gary Oldman's children in real life.
Trivia: Ben Affleck reportedly based his performance on real-life men who were convicted of murdering their wives, in order to lend to the "did he or didn't he?" mystery of the film. In particular, Affleck took inspiration from Scott Peterson, a man infamous for murdering his wife and unborn son in 2002, and was surrounded by a similar media circus to Affleck's Nick Dunne.
Trivia: Glenn Close is only twelve years older than John Hawkes, who plays her son.
Trivia: Part of the inspiration for the film came from a friend of writer/director Jennifer Kent. Her friend, a single mother, had a young son who like many children was terrified of non-existent "monsters" he thought were lurking in his home. Kent then had the idea to turn this into a film. What if a child was terrified of monsters lurking in their closet, under their beds, etc... except they were real?
Trivia: Paul Jesson and Timothy Spall play father and son in this film. In real life, Jesson is only ten years older than Spall.
Trivia: Eva Green plays Shailene Woodley's mother in the film, even though in real life she's only 12 years older than Woodley.