Although never stated in the film, the behavior of Borgman closely resembles that of an "alp", a nightmare demon from German folklore.
In 2013 this movie became the first Dutch movie in 38 years to be selected for the Cannes Film Festival.
Director Alex van Warmerdam seriously considered Mads Mikkelsen in a lead role. Mikkelsen read the script and wanted to do it, but an agreement on his salary could not be reached.
Official submission of the Netherlands to the Oscars 2014 best foreign language film category.