While the next and final season of Game of Thrones is approaching little by little, many details at the same time have been leaking about the first GoT spin-off. HBO has just released the cast of this new series, which promises to be quite successful.In the Game of Thrones spin-off, stars Naomi Watts and Josh Whitehouse, Toby Regbo, Ivanno Jeremiah have all been cast, and... Georgie Henley, who played little Lucy Pevensie in The Chronicles of Narnia. And the least we can say is that the little girl has grown up and changed quite a bit!In this spin-off which still has no title and has not even been green-lit yet, we will also see Naomi Ackie, Denise Gough, Sheila Atim, Alex Sharp and Jamie Campbell Bower. Other hires include director SJ Clarkson (who worked on Dexter) and Jane Goldman who will be the showrunner. The pilot is about to be shot. To find out more about all this we will have to be patient!Check out the video above for all the latest details on the spin-off!