Kit Harington has been confirmed to portray Gilderoy Lockhart in the second season of HBO’s television adaptation of the Harry Potter series, Entertainment Weekly and industry reporting have confirmed. The role was previously announced for Nicholas Hoult, who has stepped away from the production due to scheduling conflicts with two other projects.
A new face for a famously flamboyant role
Harington, best known for his starring turn in Game of Thrones and more recently seen in HBO’s Industry, will appear when the series adapts J.K. Rowling’s Harry Potter and the Chamber of Secrets, which constitutes the show’s second season. The casting follows Harington’s prior involvement with the franchise in audio form: he voiced Lockhart as part of a full-cast recording released by Audible.
“I think there’s a little bit of Gilderoy in all of us...The main thing with him is to come in and have fun. He’s having such a fun time all the time. He’s loving being Gilderoy Lockhart. That was my main job, really.”
The quote above comes from a featurette made during the audiobook recordings, in which Harington discussed his approach to the character — a vanity-prone, self-promoting Defence Against the Dark Arts teacher who masquerades as a celebrated author of heroic exploits.
Where this casting sits in a wider context
The part of Gilderoy Lockhart has a small but indelible place in the Potter canon; in the 2002 film adaptation of the same book, Kenneth Branagh played the role, bringing a theatrical flamboyance that has long been associated with the character. HBO’s casting change — replacing a star previously announced — will draw attention because of both the franchise’s global stature and Harington’s profile as a continuing presence on the network.
- Harington previously voiced Lockhart in the Audible full-cast audio edition.
- Nicholas Hoult reportedly left the role owing to scheduling conflicts with other projects.
- Season two of the HBO series adapts Harry Potter and the Chamber of Secrets.
| Actor | Project | Status |
|---|---|---|
| Kenneth Branagh | Harry Potter and the Chamber of Secrets (2002 film) | Portrayed Lockhart in the film |
| Nicholas Hoult | HBO Harry Potter (announced) | Withdrew due to scheduling conflicts |
| Kit Harington | HBO Harry Potter, season two | Confirmed to play Lockhart |
Harington’s move to the role continues a pattern of HBO collaborations: he first came to wide attention through the network’s epic fantasy series and has worked with the broadcaster again on recent drama. For the production, that continuity may be useful — Harington is a familiar presence to the network’s audience and to international viewers who followed his earlier work.
Industry reaction is likely to focus on how Harington will approach Lockhart physically and tonally on screen, given the actor’s previous vocal interpretation and the character’s comic, attention-seeking nature. The series’ adaptation of Rowling’s second book already invites comparisons with the 2002 film portrayal, but television affords more time to develop secondary characters and to reframe episodes for a contemporary audience.
The announcement also underlines the increasingly fluid movement of major British actors between film, television and audio projects — a trend accelerated by streaming platforms and the rising prestige of long-form television adaptations of beloved literary properties. As filming and production details for season two are revealed, scrutiny will extend to casting choices, visual design and how faithfully the series follows the source material.
For now, Harington’s confirmation as Gilderoy Lockhart is one of the clearest signposts yet of the scale and ambition of HBO’s reworking of the Potter universe, and it sets up a high-profile interpretation that fans and critics alike will be eager to assess once the season reaches screens.