| Country | Date | |
|---|---|---|
| Canada | 8 July 2006 | (Fantasia Film Festival) |
| Germany | 9 August 2006 | (Cologne Fantasy Filmfest) |
| UK | 26 August 2006 | (London FrightFest Film Festival) |
| Australia | 8 September 2006 | (Gold Coast Film Fantastic) |
| Sweden | 22 September 2006 | (Lund Fantastisk Film Festival) |
| Spain | 13 October 2006 | (Festival Internacional de Cinema de Catalunya) |
| USA | 13 October 2006 | (Screamfest Film Festival) |
| Canada | 23 October 2006 | (Toronto After Dark Film Festival) |
| Luxembourg | 24 October 2006 | (Luxembourg International Film Festival) |
| Ireland | 30 October 2006 | (Dublin Horrorthon Film Festival) |
| UK | 4 November 2006 | (Leeds International Film Festival) |
| USA | 10 November 2006 | (St. Louis International Film Festival) |
| USA | 10 November 2006 | (Starz Denver Film Festival) |
| USA | 5 January 2007 | (Los Angeles, California) |
| USA | 16 March 2007 | (limited) |
| Netherlands | 21 April 2007 | (Amsterdam Fantastic Film Festival) |
| France | 26 August 2007 | (Weekend De La Peur Festival) |
| Finland | 23 January 2008 | (DVD premiere) |
| Iceland | 6 March 2008 | (DVD premiere) |
| Italy | 8 January 2009 | (DVD premiere) |
| Netherlands | 26 February 2009 | (DVD premiere) |
| Japan | 13 May 2009 | (DVD premiere) |
| A Máscara do Terror | Portugal (imdb display title) |
| Behind the Mask | Germany (DVD title) |
| Behind the Mask - Vita di un Serial Killer | Italy (imdb display title) |
| Horis prosopo | Greece (DVD title) |
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