We're thrilled to share that the HBO Harry Potter TV series has reached a significant milestone with the announcement of the first six cast members. While we eagerly await the reveal of who will portray iconic characters like Harry, Ron, Hermione, and Lord Voldemort, we now have confirmation on who will bring to life Albus Dumbledore, Minerva McGonagall, Severus Snape, and other beloved figures.
Continue reading to learn about the officially confirmed actors for this fresh adaptation of Harry Potter, and discover which roles are still awaiting their stars.
Confirmed Cast:
John Lithgow as Albus Dumbledore
John Lithgow Image Credit: Warner Bros. Discovery/Jessica Howes
John Lithgow, a six-time Emmy and two-time Tony Award winner, has been cast as Albus Dumbledore, the revered headmaster of Hogwarts. Known as one of the most powerful wizards, Dumbledore played a pivotal role in guiding Harry Potter and has a complex history tied to Gellert Grindelwald, a formidable dark wizard.
Lithgow's extensive portfolio includes roles in "3rd Rock From the Sun," "Dexter," "The Crown," "Shrek," "The World According to Garp," "Perry Mason," "The Old Man," "Footloose," "Terms of Endearment," and "Interstellar," among others.
Who played Albus Dumbledore in the Harry Potter films? Richard Harris in "Sorcerer’s Stone" and "Chamber of Secrets," and Michael Gambon in the subsequent films; Toby Regbo and Jude Law portrayed 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 portray Professor Minerva McGonagall, the esteemed head of Gryffindor and deputy headmistress at Hogwarts. McGonagall is a cherished character introduced early in the series when she assists Dumbledore in delivering Harry to the Dursleys.
McTeer's notable works include "Me Before You," "The Menu," "Albert Nobbs," "Tumbleweeds," "The Old Man," "Ozark," and "Sorry for Your Loss."
Who played Minerva McGonagall in the Harry Potter films? Dame Maggie Smith in the original series and Fiona Glascott in the "Fantastic Beasts" films.
Paapa Essiedu as Severus Snape
Paapa Essiedu Image Credit: Warner Bros. Discovery/Ruth Crafer
Paapa Essiedu, an Emmy-nominated actor, will embody Severus Snape, the enigmatic Potions professor and head of Slytherin. Snape's intricate relationship with Harry and his parents, James and Lily, adds depth to his character throughout the series.
Essiedu's previous roles include "I May Destroy You," "The Outrun," "Black Mirror," "Men," "The Lazarus Project," and "Gangs of London."
Who played Severus Snape in the Harry Potter films? Alan Rickman, with Alec Hopkins and Benedict Clarke portraying younger versions of Snape.
Nick Frost as Rubeus Hagrid
Nick Frost Image Credit: Warner Bros. Discovery/Lee Malone
Nick Frost will take on the role of Rubeus Hagrid, the beloved half-giant who serves as gamekeeper and groundskeeper at Hogwarts. Hagrid plays a crucial role in Harry's journey, rescuing him from the Dursleys and becoming one of his closest friends.
Frost is well-known for his comedic roles in "Shaun of the Dead," "Skeleton Crew," "The World’s End," "Hot Fuzz," and "Attack the Block."
Who played Rubeus Hagrid in the Harry Potter films? Robbie Coltrane, with Martin Bayfield as young Hagrid.
Luke Thallon as Quirinus Quirrell
Luke Thallon Image Credit: Warner Bros. Discovery/Phil Sharp
Luke Thallon will portray Quirinus Quirrell, the Defense Against the Dark Arts professor during Harry's first year at Hogwarts. Thallon is a rising star, previously seen in "The Favourite" and "Present Laughter."
Who played Quirinus Quirrell in the Harry Potter films? Ian Hart.
Paul Whitehouse as Argus Filch
Paul Whitehouse Image Credit: Warner Bros. Discovery/Mike Marsland
BAFTA-winning actor Paul Whitehouse has been cast as Argus Filch, the caretaker of Hogwarts, often seen with his cat, Mrs. Norris. Whitehouse's notable works include "The Fast Show," "Harry & Paul," "The Death of Stalin," "Alice Through the Looking Glass," "Corpse Bride," and "Alice in Wonderland."
Who played Argus Filch in the Harry Potter films? David Bradley.
Major Characters Yet to Be Cast:
Harry Potter, Ron Weasley, Hermione Granger, Lord Voldemort, Draco Malfoy, Sirius Black, Remus Lupin, Dolores Umbridge, Alastor Moody, Ginny Weasley, Luna Lovegood, Fred Weasley, George Weasley, Arthur Weasley, Molly Weasley, James Potter, Lily Potter, Bellatrix Lestrange, Neville Longbottom, Cedric Diggory, Dudley Dursley, Petunia Dursley, Vernon Dursley, 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, 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.