Kit Harington cast as Gilderoy Lockhart in HBO’s Harry Potter season two

Kit Harington joins HBO’s Harry Potter season two as Gilderoy Lockhart, promising a charismatic, star-driven twist to the beloved wizarding saga.

Kit Harington cast as Gilderoy Lockhart in HBO’s Harry Potter season two
Publish: 26.08.2026
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HBO confirmed that Kit Harington will play Gilderoy Lockhart in the upcoming Harry Potter series, stepping into the role for season two after Nicholas Hoult withdrew due to a scheduling conflict.

The announcement, shared on the official Harry Potter Instagram account, notes the recasting ahead of the adaptation of J.K. Rowling’s second book, Harry Potter and the Chamber of Secrets, which will form season two. The series’ first season, Harry Potter and the Philosopher’s Stone, is due to premiere at Christmas on HBO Max.

Harington is best known for his role as Jon Snow in Game of Thrones and previously collaborated with HBO on that series and on The Industry. He also voiced Gilderoy Lockhart in Audible’s Full-Cast Audio Editions of the Harry Potter books.

The television adaptation stars Dominic McHugh as Harry Potter, Alastair Stout as Ron Weasley and Arabella Stanton as Hermione Granger. Jon Lithgow is cast as Albus Dumbledore and Nick Frost as Rubeus Hagrid. Producers have said the series will span multiple seasons to cover each of the seven books.

Liberal News Analysis: What Does This Development Mean?

The official update reports that Kit Harington replaces Nicholas Hoult because Hoult’s commitments conflicted with a change in the production schedule. HBO confirmed the casting change to the BBC and the initial report was published by Deadline.

Quick Glance: What You Need to Know

  • Kit Harington will portray Gilderoy Lockhart in season two of HBO’s Harry Potter series.
  • Season two adapts Harry Potter and the Chamber of Secrets; season one is scheduled for Christmas on HBO Max.
  • Nicholas Hoult exited the role due to a scheduling conflict; HBO confirmed the change to the BBC.
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