Cillian Murphy Reveals Whether He Will Play Voldemort In HBO's HARRY POTTER Series

Cillian Murphy Reveals Whether He Will Play Voldemort In HBO's HARRY POTTER Series

Oppenheimer star Cillian Murphy has been rumored to be in line to play the villainous Voldemort in HBO's Harry Potter series for a while now, and the actor has finally revealed if he's joined the cast...

By MarkCassidy - Sep 13, 2025 01:09 PM EST
Filed Under: Harry Potter
Source: Via SFF Gazette.com

Batman Begins actor Cillian Murphy has been a fan-favorite pick to play the villainous Voldemort in HBO's upcoming Harry Potter series since we first got word on the project, and several reliable sources have indicated that he did take some meetings about potentially taking on the role.

Now, the Oppenheimer Oscar-winner has finally set the record straight.

“No, my kids show me it occasionally, but no, I don’t know anything about that," Murphy said while appearing on the Happy Sad Confused podcast. "I mean, also, it’s just really hard to follow anything Ralph Fiennes does. The man is an absolute acting legend. So, good luck to whoever is going to fill those shoes.”

For what it's worth, Feinnes recently admitted that he'd be all for Murphy taking over as Voldemort. “Cillian is a fantastic actor. That’s a wonderful suggestion. I would be all in favor of Cillian. Yeah.”

Interestingly, Murphy has also been rumored to be in line to play Professor Quirinus Quirrell, but that role was recently filled (see below).

So far, Voldemort is the only major character that hasn't been cast (or announced, at least), so there's a chance HBO has either decided to keep the actor under wraps, or the villain won't actually appear in the first season.

Harry Potter's principal cast includes Dominic McLaughlin as the titular Boy Wizard, Arabella Stanton as Hermione Granger, Alastair Stout as Ron Weasley, Lox Pratt as Draco Malfoy, Rory Wilmot as Neville Longbottom, Leo Earley as Seamus Finnigan, Alessia Leoni as Parvati Patil, Sienna Moosah as Lavender Brown, Amos Kitson as Dudley Dursley, John Lithgow as Albus Dumbledore, Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape, Nick Frost as Rubeus Hagrid, Luke Thallon as Quirinus Quirrell, Louise Brealey as Madam Rolanda Hooch, and Paul Whitehouse as Argus Filch.

Francesca Gardiner (Succession, His Dark Materials, Killing Eve) is on board as showrunner and executive producer, with Mark Mylod (Succession, Game of Thrones, The Last of Us) enlisted as executive producer and director of multiple episodes.

The show's official logline reads: "The series will be a faithful adaptation of the beloved Harry Potter book series by author and executive producer J.K. Rowling. The series will feature a new cast to lead a new generation of fandom, full of the fantastic detail and much-loved characters Harry Potter fans have loved for over twenty-five years."

"Each season will bring Harry Potter and these incredible adventures to new audiences around the world, while the original, classic and cherished films will remain at the core of the franchise and available to watch globally."

Warner Bros. TV boss Channing Dungey said last year that the series will be “more in-depth than you can in just a two-hour film… that’s the whole reason we’re on this journey.”

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harryba11zack
harryba11zack - 9/13/2025, 1:03 PM
do we political this one?
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OrgasmicPotatoe
OrgasmicPotatoe - 9/13/2025, 1:11 PM
@harryba11zack - No, the kids call it 'derailing the thread' and it's wrong

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UncleHarm1
UncleHarm1 - 9/13/2025, 1:13 PM
@harryba11zack - I like how politics means street violence to you, that tracks. Why don't those tophats say MAGA on them
Ghoul
Ghoul - 9/13/2025, 1:18 PM
@UncleHarm1 - funny so far in my experience the only violence comes from the left but each their own
HashTagSwagg
HashTagSwagg - 9/13/2025, 1:19 PM
@UncleHarm1 - Didn't your side just murder a man for trying to bring discussions to the table.
SpiderParker
SpiderParker - 9/13/2025, 2:27 PM
@HashTagSwagg - How did you come to that conclusion? I believe people also despise it when someone brings bad publicity. Sometimes, airing the dirty laundry and exposing the mindset of a party that actively tries to frame positive 'woke' ideals as negative ones, simply to maintain appearances, is a significant problem for them.
dragon316
dragon316 - 9/13/2025, 2:36 PM
@Ghoul - mostly see violence comes from politics , alcohol, drugs and hate everyone have reason
ModHaterSLADE
ModHaterSLADE - 9/13/2025, 1:23 PM
Shame, I think he'd be a great successor to Fiennes. His work on Peaky Blinders alone speaks for itself.
Gambito
Gambito - 9/13/2025, 1:36 PM
Yo that exactly what this show need some star power that role benefits, cillian would be absolutely brilliant for Wb
FinnishDude
FinnishDude - 9/13/2025, 1:38 PM
The one big name British actor smart enough to dodge the JK!bullet.
SteviesRightFoo
SteviesRightFoo - 9/13/2025, 2:07 PM
@FinnishDude - i can say this as an irishman myself, you definitely don't want to call him british
TheVisionary25
TheVisionary25 - 9/13/2025, 1:45 PM
I mean , Cillian being Voldemort always seemed like a pipe dream akin to Adam Driver as Snape since I doubt 2 big actors like that would sign up for a role that requires a decade or so of their life hence this denial not being surprising.

Honestly given the cast we have in the show which is of a talented group of actors who are not big names for the most part , my pick for the Dark Lord would be Matthew Goode.

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He can bring the charisma and charm required but also use that to show the monster that Tom Riddle really is.
TheVandalore
TheVandalore - 9/13/2025, 2:20 PM
I know this seems like an odd suggestion, but I'd love to see what Dane Dehaan could do with the role of Voldemort. I think he would play it very differently than Ralph did, but also have some fun with the role. He has that creepy esthetic when he talks slowly and can also play crazy and wild well.

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