- Game of thrones., HBO Entertainment ; co-executive producers, George R.R. Martin, Guymon Casady, Vince Gerardis, Alan Taylor, Vanessa Taylor ; produced by Bernadette Caulfield ; executive producers, Frank Doelger, Carolyn Strauss, David Benioff, D.B. Weiss ; created by David Benioff & D.B. Weiss ; Television 360 ; Grok Television ; Bighead Littlehead ; a presentation of Home Box Office ; produced by Bernadette Caulfield, Season 2, DVD/Widescreen,