Prepare to have your minds blown! HBO released the second official trailer for Game of Thrones season two via its streaming service, HBO GO. Although season two of the series will premiere on April 1st, the network has been keeping the public up to date regarding recent developments on the show. Game of Thrones was a massive success last year and the upcoming season promises to exceed our wildest expectations. The show, which already flaunts an impressive cast to begin with (despite Sean Bean's exit), will have additional characters introduced this season including Stephen Dillane as Stannis Baratheon, Liam Cunningham as Ser Davos Seaworth, Gwendoline Christie as Brienne of Tarth, and Carice van Houten as Melisandre.