Game of Thrones (season 1) was adapted for television by producer and director David Benioff.
David Benioff ( born David Friedman ; September 25 , 1970 ) is an American novelist , screenwriter , television producer and director . Game of Thrones (season 1) . The series is based on A Game of Thrones , the first novel in the A Song of Ice and Fire series by George R. R. Martin , adapted for television by David Benioff and D. B. Weiss .