Lockhart Recast: Kit Harington Takes Over Gilderoy Locklock for HBO’s “Harry Potter” Season 2

HBO’s live-action adaptation of J.K. Rowling’s *Harry Potter* is replacing Nicholas Hoult with Kit Harington as Gilderoy Lockhart for the second season, which will adapt *Harry Potter and the Chamber of Secrets*. Hoult’s departure was reported as a result of “scheduling conflicts” with two pre-existing projects, prompting HBO to approach Harington, who voiced the character in Audible’s full-cast audio edition released in December 2025. Production on season 2 is slated to begin this fall; the first season premiered on December 25, 2026.

Kit Harington Cast as Gilderoy Lockhart in HBO’s Harry Potter The WrapKit Harington replaces Nicholas Hoult as Gilderoy Lockhart in 'Harry Potter' series Kit Harington Replaces Nicholas Hoult as Harry Potter Series’ New Gilderoy Lockhart

The series, produced by HBO with Brontë Film & TV and Warner Bros. Television, launched its first season—*Harry Potter and the Philosopher’s Stone*—in December 2026. Showrunner Francesca Gardiner and executive producer Mark Mylod lead the adaptation, which stars Dominic McLaughlin as Harry, Arabella Stanton as Hermione, and Alastair Stout as Ron. The recast follows an earlier change in the role of Ginny Weasley announced for May 18.

Kit Harington Cast as Gilderoy Lockhart in HBO’s Harry Potter

• May 6, 2026 – HBO announced the season 2 renewal.

The Wrap

• August 11, 2026 – Hoult’s initial casting as Lockhart reported.

Kit Harington Is Gilderoy Lockhart in Harry Potter Season 2

• August 12, 2026 – Fan backlash to Hoult’s casting began, tied to Rowling’s public statements on gender.

Them.us

• August 24, 2026 – HBO’s Instagram confirmed Harington would replace Hoult.

Nicholas Hoult Is Out of Harry Potter Season 2, and Kit Harington Is Taking Over His Role

• Fall 2026 – Production on season 2 scheduled to start.

The Wrap

• December 25 – Season 1 premiere on HBO and HBO Max.

Deadline Hollywood

HBO and Deadline attribute Hoult’s exit solely to scheduling issues. Other outlets (e.g., NME, Daily Mail) note the departure coincided with a “mounting backlash” from trans-rights activists responding to Rowling’s comments. No single source confirms a causal link, leaving motivation ambiguous.

Nicholas Hoult quits Harry Potter role following backlash by anti-JK Rowling activists as he is replaced by Kit Harington

The recast highlights the scrutiny surrounding the *Harry Potter* reboot, where casting decisions are evaluated for artistic fit and sociopolitical alignment. Harington’s prior experience voicing Lockhart offers continuity for fans of the audio adaptation, while the swift replacement shows HBO’s willingness to adjust talent to keep production on track.

Nicholas Hoult Is Out of Harry Potter Season 2, and Kit Harington Is Taking Over His Role

• “It was a really simple yes, because I love the character,” — Kit Harington, producer

Kit Harington joins Harry Potter in a surprising recast