George R.R. Martin on His পছন্দ GOT Actors, and the প্রজাপতি Effect of TV Adaptations 

''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.''
মূলশব্দ: গেমস্‌ অব্‌ থ্রোনস্‌, season 1, season 2, interview, george r.r. martin