Harry Potter Season 2: HBO Casts New Dobby, Ginny Weasley and Tom Riddle

September 5, 2026

Washington: HBO has announced three new cast members for Season 2 of its upcoming Harry Potter television series, revealing the actors who will portray Dobby, Ginny Weasley and Tom Riddle as the show moves into the story of Harry Potter and the Chamber of Secrets.

Lenny Rush will voice Dobby, Bonnie Hill will play Ginny Weasley, while Billy Barratt will portray Tom Riddle.

New Faces Join Harry Potter Season 2

Bonnie Hill is set to take over the role of Ginny Weasley from Gracie Cochrane, who played the character in Season 1 but exited the series due to “unforeseen circumstances.”

The second season is currently in pre-production at Leavesden Studios outside London and will be based on the second book in J.K. Rowling’s popular fantasy series.

The first season has completed filming and is scheduled to premiere on HBO on December 25.

New Series Follows Harry’s Journey at Hogwarts

The series follows Harry Potter, who discovers a hidden world of magic after receiving an admission letter to Hogwarts School of Witchcraft and Wizardry.

At the magical school, Harry develops friendships and embarks on adventures while uncovering dark secrets hidden within its enchanted walls.

Dominic McLaughlin stars as Harry Potter, with Arabella Stanton as Hermione Granger and Alastair Stout as Ron Weasley.

The wider cast includes John Lithgow as Albus Dumbledore, Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape, Nick Frost as Rubeus Hagrid, Rory Wilmot as Neville Longbottom and Lox Pratt as Draco Malfoy, along with several other actors playing familiar characters from the books.

Francesca Gardiner Leads HBO Adaptation

The Harry Potter series is based on J.K. Rowling’s books and is written and executive produced by Francesca Gardiner. Mark Mylod serves as an executive producer and will direct multiple episodes.

The show is being produced for HBO in association with Bronte Film and TV and Warner Bros. Television.

Rowling, Neil Blair and Ruth Kenley-Letts of Bronte Film and TV, along with David Heyman of Heyday Films, are also serving as executive producers.