Harry Potter HBO series expands its cast: Molly Weasley, Draco, and Lucius Malfoy confirmed
Katherine Parkinson and Johnny Flynn, both with strong film and TV careers, lead the latest additions to the cast.

The highly anticipated Harry Potter series continues to grow, with HBO announcing seven new actors joining the magical world. Previously, the studio revealed the Dursley family casting, but now we have confirmation of more key characters in this fresh adaptation of J.K. Rowling’s universe.
New cast members:
- 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.
- Bertie Carvel as Cornelius Fudge.

A cast filled with talent
Two standout additions include:
- Katherine Parkinson, best known for her BAFTA-winning role as Jen in The IT Crowd.
- Johnny Flynn, who earned a Critics Choice Award nomination for his performance in Genius.
A faithful adaptation with a powerhouse team
Set to premiere in 2026 on HBO, the series recently confirmed its main trio:
- Dominic McLaughlin as Harry Potter.
- Arabella Stanton as Hermione Granger.
- Alastair Stout as Ron Weasley.
They join an all-star cast, including John Lithgow as Albus Dumbledore and Paapa Essiedu as Severus Snape.
According to HBO, this adaptation will explore every corner of the wizarding world, staying true to the books. The series is written and produced by Francesca Gardiner, with Mark Mylod directing multiple episodes. J.K. Rowling serves as executive producer, alongside Neil Blair, Ruth Kenley-Letts, and David Heyman.
With this high-profile team, HBO is fully committed to delivering a definitive Harry Potter experience.
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