HBO is pulling off a magic trick with its upcoming television adaptation of Harry Potter. Now that the famous Wizarding World is coming to the small screen, fans have learned who will be playing some of the adult characters at Hogwarts.
“We are happy to announce the casting of John Lithgow, Janet McTeer, Paapa Essiedu, Nick Frost, Luke Thallon and Paul Whitehouse to play Dumbledore, McGonagall, Snape, Hagrid, Quirrell and Filch,” showrunner and executive producer Francesca Gardiner and director and EP Mark Mylod said in a statement. “We’re delighted to have such extraordinary talent onboard, and we can’t wait to see them bring these beloved characters to new life.”
HBO has described the TV series as a “faithful adaptation” of J.K. Rowling‘s books. “Exploring every corner of the wizarding world, each season will bring Harry Potter and its incredible adventures to new and existing audiences,” the description reads.
In May 2025, the show finally found its main cast to play Harry, Ron and Hermione: Dominic McLaughlin, Alastair Stout and Arabella Stanton. Two months later, filming began for the series.
Below, get to know the cast of HBO’s forthcoming Harry Potter series.
John Lithgow – Albus Dumbledore
John has been seen in countless film projects throughout his decades-long acting career. Among his most popular roles were in The World According to Garp, Terms of Endearment, Footloose, A Civil Action, Shrek, Rise of the Planet of the Apes, Interstellar, Bombshell, Killers of the Flower Moon and, his latest Oscar winner, Conclave.
Janet McTeer – Minerva McGonagall
Janet has established herself as a successful film actress, having appeared in a variety of movies. Among her most famous performances were in Tumbleweeds, Carrington, As You Like It, The Divergent Series and The Menu. On TV, Janet has appeared in Into the Storm, The White Queen and Ozark.
Paapa Essiedu – Severus Snape
Paapa is an esteemed actor known for various TV roles, including in the shows I May Destroy You, Ann Boleyn, Gangs of London, The Lazarus Project and Black Mirror: Demon 79.
The London native attended the Guildhall School of Music and Drama.
Nick Frost – Rubeus Hagrid
In addition to acting, Nick is also a comedian and screenwriter. The English actor is best known for his performances in the films Shaun of the Dead, Hot Fuzz and The World’s End.
Luke Thallon – Quirinus Quirrell
Like Paapa, Luke is also a graduate of the Guildhall School of Music and Drama. He had an uncredited minor role in The Favourite and has appeared in various theatrical productions, including The Room, Family Voices and Leopoldstadt.
Paul Whitehouse – Argus Filch
Paul is a jack of all trades in the business, as he is an actor, comedian, writer and presenter. He’s recognized for his performances in the movies Corpse Bride, Alice in Wonderland and The Death of Stalin.
Arabella Stanton – Hermione Granger
Arabella got her big break in the West End production of Matilda: The Musical, playing the titular character.
Dominic McLaughlin – Harry Potter
Like his other main co-stars, Dominic is a newcomer, but he landed a gig in the upcoming Sky comedy Grow.
Alastair Stout – Ron Weasley
Alastair is playing Ron, and this is his first film role. He, Dominic and Arabella were cast out of 30,000 actors who auditioned.
Katherine Parkinson – Molly Weasley
Katherine is playing the role of Weasley family matriarch Molly. Previously, she appeared in The IT Crowd.
Lox Pratt – Draco Malfoy
Like many of his fellow young co-stars, Lox is relatively a newcomer to the film business. Before landing the role of Draco, he starred in Lord of the Flies.
Johnny Flynn as Lucius Malfoy
Johnny is playing the role of Lucius, and has previously starred in Lovesick, Stardust, Emma and One Life.
