HBO Entertainment ; co-executive producers, George R.R. Martin, Vince Gerardis, Ralph Vicinanza, Guymon Casady, Carolyn Strauss ; producers, Mark Huffam, Frank Doelger ; executive producers David Benioff, D.B. Weiss ; created by David Benioff & D.B. Weiss ; Television 360 ; Grok! Television ; Generator Entertainment ; Bighead Littlehead
HBO Entertainment presents ; created by Lena Dunham ; executive producers, Judd Apatow [and 3 others] ; producer, Jesse Peretz ; Apatow Prod. ; I Am Jenni Konner Productions ; a presentation of Home Box Office