4. Viserys is related to Dickens.
Harry Lloyd is an actor with Dickens in his blood: he happens to be a direct descendant of the author.
3. Theon is Lily Allen’s brother.
Alfie Allen is best known for portraying Theon Greyjoy in Game of Thrones. He is also the older brother of famous singer Lily Allen. She was also invited to take part in the series but turned down the chance to play princess Yara Greyjoy alongside her brother.