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.

The cast includes (from left to right in the photo below) Katherine Parkinson as Molly Weasley, Lox Pratt as Draco Malfoy, Johnny Flynn as Lucius Malfoy, Leo Earley as Seamus Finnigan, Alessia Leoni as Parvati Patil, Sienna Moosah as Lavender Brown, Bel Powley as Petunia Dursley, Daniel Rigby as Vernon Dursley and Bertie Carvel as Cornelius Fudge.

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.

Felton will star as Draco on Broadway for 19 weeks beginning ... “Operation Mincemeat,” is taking over the role of Lucius Malfoy. Isaacs gave Flynn his enthusiastic blessing on social media.

The cast of the highly anticipated "Harry Potter" TV show is continuing to take shape. Draco Malfoy, Harry's classmate and foil, will be played by Lox Pratt, while his father, Lucius Malfoy ...

The cast includes Katherine Parkinson as Molly Weasley, Lox Pratt as Draco Malfoy, Johnny Flynn as Lucius Malfoy, Leo Early as Seamus Finnigan, Alessia Leoni as Parvati Patil, Sienna Moosah as Lavender Brown, Pel Powel as Petunia Dursley, Daniel Rigby as Vernon Dursley and Bertie Carvel as Cornelius Fudge.

"The Crown" actor Bertie Carvel and "The IT Crowd" alum Katherine Parkinson have joined the cast of HBO's "Harry Potter" series. The network announced casting for Molly Weasley, Draco Malfoy, Cornelius Fudge and more.