Kit Harington is trading the Iron Throne for the Defense Against the Dark Arts classroom. The "Game of Thrones" star has been cast as Gilderoy Lockhart in Season 2 of HBO's "Harry Potter" series, replacing Nicholas Hoult, who left the production because of scheduling conflicts.
Harington's casting marks a homecoming of sorts for the actor within the wizarding world. He recently voiced Lockhart in Audible's "Harry Potter" audiobooks, a role that now carries over to the small screen. Lockhart is a central figure in the second book, "Harry Potter and the Chamber of Secrets," which the new season is adapting. The character is a flamboyant, self-aggrandizing author and professor whose incompetence becomes a running joke — and a genuine danger — for his students.
The recasting follows Hoult's exit, which HBO had to navigate around two pre-existing projects on the actor's schedule. When the filming dates for "Harry Potter" shifted, Hoult could no longer commit to the role, prompting the studio to seek a replacement. Harington, already familiar with the material through his audiobook work, was the natural fit.
For Harington, the role continues a pattern of landing in major fantasy franchises. After eight seasons as Jon Snow on HBO's "Game of Thrones," he has moved between prestige drama and genre fare. Lockhart offers a different kind of challenge: a character defined by vanity, charm, and a complete lack of actual magical skill. The part requires comedic timing as much as dramatic presence, a departure from the brooding, stoic figures Harington has often played.
Season 2 of "Harry Potter" is expected to follow the plot of "The Chamber of Secrets," with Lockhart arriving at Hogwarts as the new Defense Against the Dark Arts teacher. His storyline involves a series of attacks on students, a mysterious diary, and the revelation that Lockhart is a fraud who has been erasing the memories of other wizards to steal their achievements. The season will also introduce other key elements from the book, including the basilisk and the house-elf Dobby.
HBO has not announced a premiere date for the new season, but production is underway. The series, which began with Season 1 adapting "Harry Potter and the Philosopher's Stone," has been positioned as a more faithful, expansive retelling of the books, with a new cast taking on the iconic roles. Harington joins a roster that includes young actors in the lead trio of Harry, Ron, and Hermione, alongside established British talent in supporting parts.
The casting news has generated significant buzz among fans, many of whom have noted the symmetry of Harington voicing Lockhart in the audiobooks before landing the live-action part. It also raises questions about how the series will handle the character's more theatrical moments, which are a highlight of the source material. Lockhart's scenes — from his disastrous dueling demonstration to his eventual unmasking — are among the most memorable in the book, and Harington's interpretation will be closely watched.
For now, the focus is on getting the season made. The recasting adds another layer of anticipation to a production already under scrutiny from a devoted fan base. With Harington in place, HBO has secured a recognizable name to anchor one of the season's most colorful roles.