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 British actor has been cast as Severus Snape, the potions professor at Hogwarts. Alan Rickman played Snape in all eight Harry Potter films. Essiedu earned several nominations for his role in the BBC’s I May Destroy You and co-starred with Saoirse Ronan in The Outrun, which premiered at the 2024 Sundance Film Festival.

HBO's upcoming 'Harry Potter' series aims to 'explore every corner of the wizarding world.' Meet Hogwarts' new Harry, Ron, and Hermione with EW's 'Harry Potter' cast and character guide.