16 Incredible Game of Thrones Secrets Funny Game of Thrones secrets: Richard Madden didn't know his character was going to die Bustle Ever since Game of Thrones debuted, Sunday nights have never been the same. The ensemble cast, high budget and elaborate storylines keep fans glued to their TVs (or laptops, or ipads, or whatever). These Game of Thrones secrets will make you see the show in a new light. Warning – if you haven’t seen the show, there are lots of spoilers here. Some Game of Thrones secrets are kept even from the principal cast themselves. Richard Madden, the actor who played Robb Stark, had no idea his character was slated for death. He found out the bad news on accident, when he was casually googling Robb Stark. That must have been a sobering moment.