''Another group that deserves special mention was the kids — it's very difficult to cast a kid. Our kids had to carry a very serious dramatic weight — we needed really good young actors. We got three terrific ones.''
George R.R. Martin has been feeling the heat to finish “The Winds of Winter,” the long-awaited sixth novel in his best-selling series, “A Song of Ice and Fire,” but he is not letting the pressure rush his writing.