HBO’s Harry Potter TV series continues to film in its third month. The John Lithgow, Nick Frost, and Paapa Essiedu starring TV series has had some location shoots in Cornwall earlier with our first look at Lithgow’s Dumbledore with new cast members revealed. Today we have another cast reveal, this time the HBO show’s first known centaur.
Jake Curran cast as Ronan

We’ve learned that actor Jake Curran has been cast as Ronan the centaur in the first season of HBO’s Harry Potter, which adapts The Philosopher’s Stone book. Given that Ronan appears in multiple installments, we can likely expect him to appear in future seasons as well.
In the first book, Ronan along with another centaur called Bane meet with Hagrid, who was investigating the deaths of unicorns. It’s not impossible, given the expanded screentime of eight episodes, that we see more scenes of centaurs in the new series. Hopefully soon we’ll hear about the castings of Bane as well as Firenze.
Jake Curran’s credits include 2025’s Robin Hood series starring Sean Bean, Gangs of London and the upcoming DC film Clayface, where he plays a character called Patches.
In other casting news, we can report that Leigh Quinn (Write Off, Love at First Sight) has been cast in the Harry Potter series in an unknown role.

The cast in the new Harry Potter series now looks like this:
- Dominic McLaughlin (Grow) as Harry Potter
- Arabella Stanton as Hermione Granger
- Alastair Stout as Ron Weasley
- John Lithgow (Dexter) as Albus Dumbledore
- Paapa Essiedu (Black Mirror) as Severus Snape
- Janet McTeer (Ozark) as Minerva McGonagall
- Nick Frost (Shaun of the Dead) as Rubeus Hagrid
- Katherine Parkinson (The IT Crowd) as Molly Weasley
- Johnny Flynn (Central Intelligence) as Lucius Malfoy
- Lox Pratt (Lord of the Flies) as Draco Malfoy
- Bel Powley (A Small Light) as Petunia Dursley
- Daniel Rigby (Black Mirror) as Vernon Dursley
- Bertie Carvel (Dalgliesh) as Cornelius Fudge
- Paul Whitehouse (The Death of Stalin) as Argus Filch
- Luke Thallon (Present Laughter) as Quirinus Quirrell
- Alessia Leoni as Parvati Patil
- Sienna Moosah as Lavender Brown
- Leo Earley as Seamus Finnegan
- Rory Wilmot (FBI: International) as Neville Longbottom
- Amos Kitson as Dudley Dursley
- Louise Brealey (Sherlock) as Madam Rolanda Hooch
- Anton Lesser (Game of Thrones) as Garrick Ollivander
- Mickey McAnulty (Trying) as Piers Polkiss
- Asha Soetan (Odd Squad) as Angelina Johnson
- Aaron Zhao (Two Neighbors) as Terry Boot
- Tristan Harland (The Last Kingdom) as Fred Weasley
- Gabriel Harland (The Last Kingdom) as George Weasley
- Ruari Spooner as Percy Weasley
- Grace Cochrane (Beetlejuice Beetlejuice) as Ginny Weasley
- Warwick Davis (Harry Potter) as Professor Filius Flitwick
- Leigh Gill (Game of Thrones) as Griphook
- Sirine Saba (Doctor Who) as Professor Pomona Sprout
- Bríd Brennan (Dalgliesh) as Madam Poppy Pomfrey
- Richard Durden (Bridgerton) as Professor Cuthbert Binns
- Elijah Oshin as Dean Thomas
- Finn Stephens as Vincent Crabbe
- William Nash as Gregory Goyle
- Svetlana Karabut as Professor Septima Vector
- Jon Furlong as Dedalus Diggle (?)
- Lambert Wilson as Nicolas Flamel
- Marthe Keller as Perenelle Flamel
- Jake Curran as Ronan
- Leigh Quinn
Harry Potter series will film until May 2026 and is eyeing a 2027 release. Season 2 will begin filming back-to-back after Season 1 after a short break. Stay tuned to Redanian Intelligence for more news.