The island shown at the start as the map for the location of the Rezort is Fuerteventura in the Canary Islands.
The rezort in Mallorca itself was also used in The Night Manager as Hugh Laurie's mansion.
In Spain was only released in 8 theaters (8 provinces). The film was watched by 533 viewers and projected in dubbed version / subtitled version (2 theaters).
Robert Firth, who portrays General Kenneth Varantoom, liked Steve Barker's eclectic style of clothing so much, the director actually let him wear it in the film.
Dougray Scott also played in several episodes of Fear the Walking Dead (2015) another post apocalyptic zombie thriller.