Harry Potter: Books vs Series

Books vs Series · The unofficial guide to HBO's Harry Potter

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John Lithgow

John Lithgow as Albus Dumbledore in HBO's Harry Potter
PlaysAlbus Dumbledore
Born19 October 1945, Rochester, New York
Age when filming began79 (July 2025)
Age at the premiere81 (25 December 2026)
FromUnited States
Casting announced14 April 2025
IMDbJohn Lithgow

Photo: HBO

John Lithgow, one of the best-known American actors of his generation, plays Dumbledore. He confirmed the part himself in February 2025, before HBO announced it on 14 April 2025 with Janet McTeer, Paapa Essiedu, Nick Frost, Paul Whitehouse and Luke Thallon.

If the series runs for seven seasons, he will play Dumbledore into his late eighties. He has said: “I’ll be about 87 years old at the wrap party” [Good Morning America]. In the books Dumbledore is far older: J.K. Rowling has said he was born in 1881.

How the books describe Albus Dumbledore, and every difference so far, is on the character page.

Other roles

YearTitleRole
1996–20013rd Rock from the SunDick Solomon
2001ShrekLord Farquaad (voice)
2009DexterArthur Mitchell
2016–2019The CrownWinston Churchill
2024Giant (stage)Roald Dahl

In interviews

On the role: “it’s going to define me for the last chapter of my life” [Good Morning America].

Sources: Wikipedia.

More of the cast

Dominic McLaughlin · Arabella Stanton · Alastair Stout · Janet McTeer · Paapa Essiedu · Nick Frost · Lox Pratt · Daniel Rigby · Bel Powley · Amos Kitson · Rory Wilmot · Luke Thallon · Katherine Parkinson · Ruari Spooner · Gracie Cochrane · Anton Lesser · Warwick Davis · Sirine Saba · Louise Brealey · Orson Matthews · Paul Whitehouse · Johnny Flynn · Kit Harington · Rafe Spall. See also the ages of the cast and the full cast.

Premiere

25 Decon HBO Max

Books vs Series

Difference 001 of 15

Snape’s skin colour

Books: Snape has “sallow skin” (PS, ch. 7).

Series: he is played by Paapa Essiedu, a Black British actor.

All 15 differences »

Posters

Harry character poster, HBO's Harry Potter
Harry

All posters »

Latest updates

13 November 2026
New pages: a page for each actor, the ages of the cast, new scenes not in the book, houses and uniforms, magical creatures and music. More »

13 November 2026
New page: sets and filming locations, from the new Hogwarts at Leavesden to London Zoo, King’s Cross and the Cornish coast. More »

13 November 2026
Dominic McLaughlin, Arabella Stanton and Alastair Stout, the new Harry, Hermione and Ron, talked to Scholastic News about the auditions, getting the parts and filming. More »

10 November 2026
Snape actor Paapa Essiedu told Vanity Fair he still doesn’t really know what happens in Deathly Hallows, and was baffled by Dumbledore’s death. More »

All news »

Unofficial fan site. Not affiliated with HBO, Warner Bros. Discovery or J.K. Rowling. Images and videos © HBO / Warner Bros. Discovery.
Book references are to the UK editions: PS = Philosopher's Stone, CoS = Chamber of Secrets. · About this site · Page updated