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HBO's Harry Potter Reboot: Confirmed Cast and Characters Revealed

Exciting news has emerged for fans of the wizarding world: HBO's highly anticipated Harry Potter TV series has reached a significant milestone with the announcement of the first six cast members. While the roles of key characters like Harry Potter, Ron Weasley, Hermione Granger, and the notorious Lo
By Chloe
Apr 20,2025

Exciting news has emerged for fans of the wizarding world: HBO's highly anticipated Harry Potter TV series has reached a significant milestone with the announcement of the first six cast members. While the roles of key characters like Harry Potter, Ron Weasley, Hermione Granger, and the notorious Lord Voldemort remain uncast, we now have a glimpse into who will portray iconic figures such as Albus Dumbledore, Minerva McGonagall, Severus Snape, and others.

Dive into the details below to discover the officially confirmed cast members for this fresh adaptation of the Harry Potter saga, as well as a list of the major characters yet to be cast.

Confirmed Cast:

John Lithgow as Albus Dumbledore

John Lithgow Image Credit: Warner Bros. Discovery/Jessica Howes

The role of Albus Dumbledore, the revered headmaster of Hogwarts and one of the most powerful wizards of all time, will be brought to life by the acclaimed actor John Lithgow. Known for his extensive work in television and film, including standout performances in "3rd Rock From the Sun," "Dexter," "The Crown," and "Shrek," Lithgow's portrayal of Dumbledore promises to delve into the character's complex past and his pivotal mentorship of Harry Potter. In previous Harry Potter films, Dumbledore was portrayed by Richard Harris in "Sorcerer's Stone" and "Chamber of Secrets," and by Michael Gambon in the subsequent films, with Toby Regbo and Jude Law playing younger versions of the character.

Janet McTeer as Minerva McGonagall

Janet McTeer Image Credit: Warner Bros. Discovery/Andrew Crowley

Janet McTeer, a Tony and Golden Globe Award winner, will step into the shoes of Professor Minerva McGonagall, the stern yet fair head of Gryffindor and deputy headmistress of Hogwarts. McGonagall's character, introduced in "Harry Potter and the Sorcerer's Stone," is beloved for her role in guiding the students and her involvement in significant events throughout the series. McTeer, known for her roles in "Me Before You," "The Menu," and "Ozark," will bring a new depth to McGonagall. In the original films, McGonagall was portrayed by Dame Maggie Smith, and by Fiona Glascott in the "Fantastic Beasts" series.

Paapa Essiedu as Severus Snape

Paapa Essiedu Image Credit: Warner Bros. Discovery/Ruth Crafer

Paapa Essiedu, an Emmy-nominated actor, will portray Severus Snape, the enigmatic Potions professor and head of Slytherin. Snape's intricate relationship with Harry Potter and his parents, James and Lily, adds layers of complexity to his character. Essiedu, known for his roles in "I May Destroy You," "Black Mirror," and "Gangs of London," is set to bring a fresh perspective to Snape. In the original films, Snape was portrayed by Alan Rickman, with Alec Hopkins and Benedict Clarke playing younger versions of the character.

Nick Frost as Rubeus Hagrid

Nick Frost Image Credit: Warner Bros. Discovery/Lee Malone

Nick Frost, known for his comedic roles in films like "Shaun of the Dead" and "Hot Fuzz," will take on the role of Rubeus Hagrid, the beloved half-giant and gamekeeper of Hogwarts. Hagrid's role in rescuing Harry from the Dursleys and his subsequent friendship with the young wizard is central to the series. In the original films, Hagrid was portrayed by Robbie Coltrane, with Martin Bayfield playing the young Hagrid.

Luke Thallon as Quirinus Quirrell

Luke Thallon Image Credit: Warner Bros. Discovery/Phil Sharp

Luke Thallon, a rising star in the acting world, will portray Quirinus Quirrell, the Defense Against the Dark Arts professor during Harry's first year at Hogwarts. Thallon, who has appeared in "The Favourite" and "Present Laughter," will bring a new interpretation to this pivotal character. In the original films, Quirrell was portrayed by Ian Hart.

Paul Whitehouse as Argus Filch

Paul Whitehouse Image Credit: Warner Bros. Discovery/Mike Marsland

BAFTA-winning actor Paul Whitehouse will play Argus Filch, the caretaker of Hogwarts known for his strict enforcement of school rules and his constant companion, Mrs. Norris. Whitehouse, recognized for his work in "The Fast Show" and "The Death of Stalin," will add his unique flair to Filch. In the original films, Filch was portrayed by David Bradley.

Major Characters Yet to Be Cast:

The casting process for HBO's Harry Potter series is still underway, with many major characters yet to be announced. These include Harry Potter, Ron Weasley, Hermione Granger, Lord Voldemort, Draco Malfoy, Sirius Black, Remus Lupin, Dolores Umbridge, Alastor Moody, Ginny Weasley, Luna Lovegood, Fred and George Weasley, Arthur and Molly Weasley, James and Lily Potter, Bellatrix Lestrange, Neville Longbottom, Cedric Diggory, the Dursley family, Lucius Malfoy, Cho Chang, Seamus Finnigan, Dean Thomas, Gilderoy Lockhart, Dobby, Nearly Headless Nick, Moaning Myrtle, Sybill Trelawney, Filius Flitwick, and many more.

For more insights into the magical world of Harry Potter, explore our ranking of the 25 best Harry Potter characters from the movies and books, learn about the producing duo leading the charge on HBO's reboot, and follow our guide to reading your way through the Harry Potter books.

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