Harley Bronwyn, (Jamie), was originally cast as Evie and Geri Courtney-Austein, (Evie), was hired less than 24 hours before performing her first scene.
The password for the WiFi that Charlie writes down is CID6.7, which is a reference to the movie Virtuosity, wherein Russell Crow plays a murderous A.I. villain.
The original title of the film was, "What Doesn't Kill Ya," which is referenced in the movie as the title of Jamie's screenplay. It was eventually used as the tagline of the film.
Took approximately 3 years from conception of the story until principle photography. This included a year the director had to take off because of having a baby.
If you look closely at Pete's police uniform, the name of the town on his shoulder badge says, "Lakewood." This is because it is an actual costume that was used in the MTV television series, "Scream," which took place in the fictional town of Lakewood, Louisiana.