HBO is about to perform an incredible magic trick with its highly anticipated television adaptation of the beloved Harry Potter series. As the enchanting wizarding world makes its way to the small screen, fans are eagerly discovering the talented actors who will bring to life some of the iconic adult characters at Hogwarts, including the wise Dumbledore and the complex Severus Snape. This adaptation promises to recapture the magic and spirit of the original novels while exploring new dimensions of the characters and their stories.

In an exciting announcement, showrunner and executive producer Francesca Gardiner, alongside director and EP Mark Mylod, shared the thrilling news about the casting of John Lithgow, Janet McTeer, Paapa Essiedu, Nick Frost, Luke Thallon, and Paul Whitehouse, who will portray Dumbledore, McGonagall, Snape, Hagrid, Quirrell, and Filch, respectively. They expressed their enthusiasm for this extraordinary cast, stating, “We’re delighted to have such extraordinary talent onboard, and we can’t wait to see them bring these beloved characters to new life.” The anticipation surrounding these casting choices signifies the commitment to honoring the original material while introducing fresh interpretations.

HBO has characterized this upcoming TV series as a “faithful adaptation” of J.K. Rowling’s renowned books. The series aims to delve into every corner of the captivating wizarding world, ensuring that both new and existing audiences will experience the adventures of Harry Potter in a way that is both authentic and engaging. As each season unfolds, viewers can look forward to a rich narrative that not only revisits the original plot lines but also expands on the lore and depth of the characters, offering a comprehensive exploration of the magical universe.

As we gear up for this remarkable journey into the world of magic, let’s take a moment to familiarize ourselves with the outstanding cast of HBO’s forthcoming Harry Potter series. Each actor brings a wealth of experience and talent, ensuring that the portrayal of these iconic characters will resonate with audiences around the globe.

HBO has just confirmed the first 6 cast members for the ‘HARRY POTTER’ TV series:

• Nick Frost as Hagrid
• John Lithgow as Dumbledore
• Paul Whitehouse as Argus Filch
• Luke Thallon as Quirinus Quirrell
• Paapa Essiedu as Severus Snape
• Janet McTeer as Minerva McGonagall pic.twitter.com/RlsQ78N5bh

— DiscussingFilm (@DiscussingFilm) April 14, 2025

Meet John Lithgow as Albus Dumbledore: A Legendary Casting Choice

John Lithgow is a distinguished figure in the film industry, having appeared in numerous acclaimed projects throughout his extensive and illustrious acting career. His most celebrated roles include captivating performances in films such as 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-winning role in Conclave. Each of these performances has showcased his versatile talent and ability to embody complex characters, making him an ideal choice for the role of Dumbledore, the wise and powerful headmaster of Hogwarts.

Explore the Talents of Janet McTeer as Minerva McGonagall

Janet McTeer has carved out a remarkable career as a film actress, achieving notable success with her performances across a diverse array of movies. Her filmography boasts memorable roles in acclaimed films such as Tumbleweeds, Carrington, As You Like It, The Divergent Series, and The Menu. In addition to her film work, Janet has showcased her talent on television with appearances in popular series like Into the Storm, The White Queen, and Ozark. Her dynamic range as an actress makes her an exceptional choice to portray the fiercely intelligent and strong-willed Professor McGonagall.

Discover the Complex Character of Severus Snape through Paapa Essiedu

Paapa Essiedu is a highly regarded actor known for his impressive television performances, including critically acclaimed roles in shows such as I May Destroy You, Ann Boleyn, Gangs of London, The Lazarus Project, and Black Mirror: Demon 79. His ability to convey deep emotional complexity and nuance makes him a fitting choice for the enigmatic character of Severus Snape. A proud London native, Paapa honed his craft at the prestigious Guildhall School of Music and Drama, further enhancing his skills as a performer who can delve into the rich layers of Snape’s character.

With his strong background in theater and television, Paapa is poised to take on the challenges of portraying this multifaceted character, ensuring that viewers will experience the depth and intricacies of Snape’s journey through the series.

Nick Frost as Rubeus Hagrid: The Heart of the Wizarding World

In addition to his prowess as an actor, Nick Frost is also celebrated for his work as a comedian and screenwriter. The English actor is best known for his outstanding performances in beloved films such as Shaun of the Dead, Hot Fuzz, and The World’s End. His unique blend of humor and heart makes him an excellent fit for the lovable giant Rubeus Hagrid, a character who plays a crucial role in welcoming Harry into the magical world. Nick’s ability to balance comedy with genuine warmth will undoubtedly bring a new dimension to Hagrid’s character, making him resonate with both longtime fans and new viewers alike.

Luke Thallon: A Fresh Face as Quirinus Quirrell

Luke Thallon, like Paapa, is also a graduate of the prestigious Guildhall School of Music and Drama, which has produced many talented actors. He has previously appeared in a minor uncredited role in The Favourite and has been involved in various theatrical productions, including The Room, Family Voices, and Leopoldstadt. His experience in both theater and film positions him well to take on the role of Quirinus Quirrell, a character who embodies the struggle between good and evil within the wizarding world. Luke’s fresh perspective and dedication to his craft promise to bring an intriguing layer to Quirrell’s character as he navigates his dark allegiances.

Paul Whitehouse: Versatile Talent as Argus Filch

Paul Whitehouse is a true jack of all trades in the entertainment industry, recognized for his talents as an actor, comedian, writer, and presenter. His notable performances in films such as Corpse Bride, Alice in Wonderland, and The Death of Stalin highlight his versatility and ability to tackle a range of characters. As Argus Filch, the cantankerous caretaker of Hogwarts, Paul will bring his unique comedic flair and depth to the role, making Filch both a memorable and amusing presence in the series. His experience in various genres ensures that audiences will appreciate the nuances he brings to this character.