Warwick Davis to Return as Professor Flitwick in HBO’s Harry Potter TV Series

HBO has confirmed that Warwick Davis will return to the Wizarding World as Professor Filius Flitwick in the upcoming Harry Potter television series. The announcement was made on September 1 during Back to Hogwarts, the annual global celebration marking the return to Hogwarts School of Witchcraft and Wizardry.

Davis originally portrayed Professor Flitwick in the Harry Potter film series and now joins the television adaptation, which is scheduled to debut in 2027 on HBO and HBO Max where available, including in upcoming launch markets Germany, Italy, and the UK.

The series also revealed new casting announcements across key Hogwarts roles:

• Students – Elijah Oshin as Dean Thomas, Finn Stephens as Vincent Crabbe, and William Nash as Gregory Goyle
• Staff – Sirine Saba as Professor Pomona Sprout, Richard Durden as Professor Cuthbert Binns, and Bríd Brennan as Madam Poppy Pomfrey
• Gringotts – Leigh Gill as Griphook

The series is written and executive produced by Francesca Gardiner. Mark Mylod will executive produce and direct multiple episodes for HBO in association with Brontë Film and TV and Warner Bros. Television. Additional executive producers include J.K. Rowling, Neil Blair, and Ruth Kenley-Letts of Brontë Film and TV, and David Heyman of Heyday Films.