Several of the actors completed principal photography on other films while filming this movie. Miles Teller filmed Fantastic Four (2015), Jai Courtney filmed Terminator Genisys (2015), and Kate Winslet filmed Triple Nine (2015).
The character Edward (Ben Lamb) was supposed to be in the film but dropped out to do an indie film. Later on, Jonny Weston was casted but as Edgar. A different character but same role.