Game of Thrones Prequel: 8 New Cast Additions, S.J. Clarkson to Direct Pilot

S.J. Clarkson will helm the Game of Thrones prequel pilot, while new cast additions include Naomi Ackie, Denise Gough, Jamie Campbell Bower, Sheila Atim, Ivanno Jeremiah, Georgie Henley, Alex Sharp, and Toby Regbo.