Lox Pratt is slated to play Draco Malfoy, with Johnny Flynn as his father Lucius Malfoy. In more family castings, Bel Powley is set as Petunia Dursley and Daniel Rigby as Vernon Dursley, Harry’s aunt and uncle. Additionally, Katherine Parkinson will play Ron’s mom, Molly Weasley.

More wizards and witches have joined the upcoming "Harry Potter" HBO series. HBO has announced nine more actors joining the show, including those playing the Malfoy family members and their matriarch, Molly Weasley. Newcomer Lox Pratt will play Draco Malfoy, while "Emma" actor Johnny Flynn has been cast as Lucius Malfoy.