Release Info
Release Dates
| Spain | 16 September 2011 | |
| Italy | 10 February 2012 | |
| France | 29 March 2012 | (Beaune Film Festival) |
| France | 4 July 2012 | |
| Germany | 28 August 2012 | (Berlin Fantasy Filmfest) |
| Japan | 8 September 2012 | |
| Germany | 13 September 2012 | |
| Russia | 8 November 2012 | |
| UK | 3 May 2013 | (Dundead - Dundee Horror Film Festival) |
Also Known As (AKA)
| La cara oculta | (original title) |
| Bunker | Italy (alternative title), USA (alternative title) |
| Das verborgene Gesicht | Germany (imdb display title) |
| Inside | France (imdb display title) |
| La verità nascosta | Italy (imdb display title) |
| Sakriveno lice | Serbia |
| The Hidden Face | USA (imdb display title) |
