• David Threlfall was cast as the voice of the Sorting Hat.
• Leo Bill will portray Nearly Headless Nick.
• Andrew Brooke, Daniel Fearn and Laura Smyth were cast as the Bloody Baron, Fat Friar and Fat Lady respectively.
• The first season will debut on Dec. 25, 2026, adapting "Harry Potter and the Philosopher's Stone."
• The second season will cover "Harry Potter and the Chamber of Secrets" with additional cast announced.
• Francesca Gardiner is writer and executive producer; Mark Mylod will direct multiple episodes.
• Executive producers include J.K. Rowling, Neil Blair, Ruth Kenley‑Lett, David Heyman, Laura Neal and Jon Brown.