The Harry Potter series has expanded its cast as HBO officially revealed nine additional actors who will be joining the show. In a press release dated June 9, 2025, posted on Warner Bros.

Sets are being built for the Harry Potter TV series in the UK, and we now have a first look at what will eventually become Platform 9¾, the hidden pathway to Hogwarts School of Witchcraft and Wizardry.

The “Harry Potter” HBO TV series adaptation is rounding out its cast with seven new additions. The following actors have been added to the show’s cast: Katherine Parkinson as Molly Weasley, Lox Pratt as Draco Malfoy and Johnny Flynn as Lucius Malfoy,

Katherine Parkinson’s Rivals role and BAFTA nod might make her the perfect pick to play Molly Weasley in HBO’s Harry Potter reboot.

THREE award-winning Brit actors have been announced for the new Harry Potter TV show. From HBO, the upcoming series will adapt JK Rowling’s novels for a new generation. Several new cast