Source: Warner Bros Studios
Jim Broadbent played Professor Slughorn in the Harry Potter and the Half-Blood Prince. He was cast to appear in Season 7 of Game of Thrones set to air in June 2017. But he’s not the only cast member from the Harry Potter films to appear in Game of Thrones. In fact, there have been over a dozen different witches and wizards from Hogwarts who have appeared on the HBO TV series.
You might not have recognized them with the huge beard or in their White Walker outfits, but here is all the Game of Thrones actors who started out in the Harry Potter series first.
Click the next button to see some big and small Harry Potter stars who are moving from Hogwarts to Westeros.