Harry Potter TV series reveals first poster and cast details

HBO has released the first official poster for the upcoming Harry Potter television adaptation, confirming a premiere date of December 25, 2026. The poster features a close-up of Dominic McLaughlin as Harry Potter, with the Hogwarts School of Witchcraft and Wizardry visible in the reflection of his glasses.

The first season, titled ‘Harry Potter and the Philosopher’s Stone’, will consist of eight episodes. This format aims to provide a more detailed exploration of J.K. Rowling’s books compared to previous film adaptations. The cast includes Dominic McLaughlin as Harry, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. Other key roles will be played by John Lithgow as Albus Dumbledore, Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape, and Nick Frost as Rubeus Hagrid.

New casting announcements also include actors for Charlie Weasley, James Potter, and Lily Potter, allowing the series to depict more of Harry’s family history and characters who had limited screen time in the films.