In Game Of Thrones. Stroma played Dickon Tarly, the younger brother of Sam, in Season 6's Blood of my Blood. He's the heir to Horn Hill, an arrogant, physically strong man who is everything (in He is an actor, known for Pitch Perfect (2012), Harry Potter and the Half-Blood Prince (2009) and Harry Potter and the Deathly Hallows: Part 1 (2010). He has been married to Johanna Braddy since December 30, 2016. Netflix‘s latest hit series, The Queen’s Gambit, features some big names, from star Anya Taylor-Joy, to The Outsider‘s Bill Camp and Game of Thrones‘ Thomas Brodie-Sangster.But some Harry Cast Peter Dinklage, Lena Headey, Maisie Williams, Sophie Turner, Nikolaj Coster-Waldau, Kit Harington, Emilia Clarke. Harry Potter and Game of Thrones are both hit fantasy series, with actors 14 Harry Potter actors who have appeared in Game of Thrones. Warning – contains spoilers for previous episodes of Game Of Thrones (and Harry Potter films). By Abi Harman and Chris Longridge. 21 This list of Harry Potter and the Half-Blood Prince actors includes any Harry Potter and the Half-Blood Prince actresses and all other actors from the film. You can view additional information about each Harry Potter and the Half-Blood Prince actor on this list, such as when and where they were born. Richard Harris to Michael Gambon. Richard Harris played Hogwarts Headmaster Albus Dumbledore for the first two Harry Potter films before he died in 2002. Michael Gambon replaced him for the Bradley played the role of Argus Filch, the annoying caretaker of Hogwarts, in Harry Potter. In Game Of Thrones, he plays the equally hated role of Walder Frey. LBbt1.