Lyanna Stark
In case you missed it, here’s your spoiler alert! If you haven’t finished the show yet, you should definitely avoid this. Basically, everything that happens in the show (and, to be honest, in the books) happens because Robert Baratheon falls in love with Lyanna Stark, who doesn’t love him back. Cordelia Hill portrays her as a child, while Aisling Francoiosi portrays her as a young adult. However, if you’re a fan of the show and intend to read the books, keep in mind that the fact that Lyanna is Jon’s mother (warned!) has yet to be proven.
Ned Stark
Even if we hadn’t read the books before the first season, we should’ve known that Eddard (Ned) Stark’s life would end in disaster when we saw Sean Bean playing him. Ned, like his children, aged up, since he was mentioned in the books as being in his mid-30s. This adjustment could have been made because the production desperately wanted Sean Bean. Is it possible to blame them?