There was 3 different variations from the script, each one with 3 different versions from 5 different scenes.
Despite of working on The Frozen Ground back in 2012-2013, and this filming in 2014, it was until the release of the same in 2015, that The Burial officially opens the Walt Nick's Pictures independent studio.
The Shadow that kidnap Esther at the end of the movie, are the director Nicolás de Jesús.
The end credits was taken from the short film Peephole.
The front used in the film was "Optimus Princeps"