Stage and screen actress Janet McTeer has been cast as Minerva McGonnagal in the series. The role was originated by the late Dame Maggie Smith, but Janet will be hoping to put her own stamp on the role. Across film and TV, the Tony and Olivier Award-winning actress has appeared in the likes of Wuthering Heights, As You Like It, The Menu and Ozark.

The cast of the highly-anticipated Harry Potter TV series is growing, with new stars being announced to take on the roles of Molly Weasley, Draco Malfoy and more

After an intense casting journey involving over 30,000 young actors, the search for the next generation of Hogwarts students is finally over for the Harry Potter series. Most notably, we now know who will step into the beloved role of Ron Weasley along with Harry Potter and Hermione.