Harry Potter and the Philosopher’s Stone Cast: Full List

There’s a reason people still remember exactly where they were when they first saw a boy in round glasses walk onto Platform 9¾ — few film casts have defined a generation the way the cast of Harry Potter and the Philosopher’s Stone did when the film premiered on 16 November 2001. Here’s a detailed look at every actor who brought the Wizarding World to life, how they were chosen, and why this cast remains unmatched.

Release year: 2001 · Main child actors: 3 · Lead adult actors (Dumbledore, McGonagall, Hagrid): 3 · Director: Chris Columbus · Box office (worldwide): $974 million

Six key facts frame the production: the budget, the box office, and the creative team that assembled this iconic cast.

Who are the main actors in Harry Potter and the Philosopher’s Stone?

Lead trio: Harry, Ron, Hermione

• Daniel Radcliffe as Harry Potter. He was selected on 21 August 2000 alongside Grint and Watson, as documented by the JH Movie Collection Fandom. Radcliffe was 11 during filming, making this his debut major film role.
• Rupert Grint as Ron Weasley. Grint, 12 at the time, famously sent a self-made video to the casting directors — a bold move that landed him the part of Harry’s loyal best friend.
• Emma Watson as Hermione Granger. At just 10 years old and with no prior professional acting experience, Watson was recommended by her drama teacher. Her audition impressed director Chris Columbus immediately.

Key adult roles: Dumbledore, McGonagall, Hagrid

• Richard Harris as Albus Dumbledore, Hogwarts’ Headmaster, per Wikipedia. Harris initially turned down the role but reversed his decision after his granddaughter threatened never to speak to him again.
• Maggie Smith as Minerva McGonagall, the Deputy Headmistress, head of Gryffindor and Transfiguration teacher. She was one of the two actors J.K. Rowling wanted most for the film, according to Wikipedia.
• Robbie Coltrane as Rubeus Hagrid, the half-giant gamekeeper. Coltrane was the other actor Rowling insisted on, per Wikipedia. Already a fan of the books, he discussed Hagrid’s backstory with Rowling to prepare.

Antagonists: Voldemort, Quirrell

• Ian Hart as Professor Quirrell, the stuttering Defense Against the Dark Arts teacher who hosts Voldemort on the back of his head.
• Richard Bremmer provided the voice and face cameo of Lord Voldemort in the film’s climactic reveal in the Forbidden Forest.

“We saw thousands of kids, but Daniel, Emma, and Rupert were obviously the ones.” — Chris Columbus, director

The pattern: Every adult lead was either a knighted or dame-level British institution, a deliberate choice that anchored the fantastical world in recognizable human authority. The trio of children, meanwhile, had zero major film credits between them — a trust in raw talent that Hollywood rarely repeats.

Which adult actors played key roles?

Dumbledore (Richard Harris)

Richard Harris, a veteran of films like Camelot and The Field, brought a twinkling warmth to Dumbledore. His casting was a personal triumph: he only agreed after his granddaughter’s ultimatum, as Wikipedia notes. The film would be one of his final performances before his death in 2002.

McGonagall (Maggie Smith)

Dame Maggie Smith, already celebrated for her work with the Royal National Theatre and films like The Prime of Miss Jean Brodie, infused McGonagall with stern dignity and hidden warmth. Rowling confirmed she wanted Smith from “the very beginning.”

Hagrid (Robbie Coltrane)

Robbie Coltrane, known for Cracker and GoldenEye, prepared for his role as the gentle giant by meeting with Rowling to learn Hagrid’s backstory — details the audience wouldn’t discover until later books, per Wikipedia.

“I wanted Maggie Smith from the very beginning.” — J.K. Rowling, author

Snape (Alan Rickman)

Alan Rickman played Severus Snape, the Potions Master and head of Slytherin House. Rickman was an early choice by the casting team, and Rowling reportedly shared key plot secrets with him so he could play Snape with knowing ambiguity from the start.

Quirrell (Ian Hart)

Ian Hart played the nervous Professor Quirrell, whose turban hides the face of Voldemort. Hart delivered a dual performance — meek teacher and possessed vessel — that set the film’s darker undertones.

The catch: The adult cast wasn’t just star-studded — it was functionally a masterclass in character acting. Every professor, from Snape to Sprout, was played by a performer who could stand alone in a scene with a child and make the magic feel real. That’s rare in fantasy cinema.

What supporting characters appear in the film?

Hogwarts professors

• David Bradley as Argus Filch, the cantankerous caretaker.
• Zoë Wanamaker as Madam Hooch, the flying instructor.
• Warwick Davis as Professor Flitwick (and also a goblin in Gringotts scenes).
• John Cleese as Nearly Headless Nick, the Gryffindor ghost.

Student background characters

• Tom Felton as Draco Malfoy, Harry’s Slytherin rival.
• Matthew Lewis as Neville Longbottom, the forgetful Gryffindor.
• Devon Murray as Seamus Finnigan, Harry’s explosive classmate.
• Alfred Enoch as Dean Thomas, another Gryffindor roommate.
• Sean Biggerstaff as Oliver Wood, Gryffindor Quidditch captain.

Dursleys and other non-magical characters

• Richard Griffiths as Vernon Dursley, Harry’s bullying uncle.
• Fiona Shaw as Petunia Dursley, Harry’s resentful aunt.
• Julie Walters as Molly Weasley, the warm-hearted mother of Ron.

Verne Troyer made a cameo as Griphook the goblin in the Gringotts sequence, a brief appearance that connected the film to the wider wizarding economy.

What this means: The supporting cast reads like a who’s-who of British film and television in 2001. Cleese (from Monty Python), Griffiths (from Withnail and I), and Walters (from Educating Rita) each brought decades of distinct comic and dramatic experience to roles that could have been one-note.

How did the casting process work for the first Harry Potter film?

Open casting calls for children

Director Chris Columbus oversaw an exhaustive search. According to the JH Movie Collection Fandom, thousands of children auditioned for the three lead roles across the UK and Ireland.

Selection of Daniel, Emma, and Rupert

• Daniel Radcliffe was spotted by a casting director at a theater performance. His parents initially hesitated, but Columbus’s persistence won them over.
• Emma Watson was recommended by her Oxfordshire drama teacher, who saw her in a school play.
• Rupert Grint sent a self-made video in which he performed a rap about how much he wanted the role. The humor and charm landed him the part.

Casting of adult actors from British theater

Columbus and producer David Heyman prioritized British stage actors. Alan Rickman and Maggie Smith were early choices, while Richard Harris was a harder sell — he needed his granddaughter to push him into accepting. Rowling herself interviewed several actors to ensure they understood the characters, according to Wikipedia.

The implication: The casting process wasn’t just about finding the right faces — it was about preserving the British identity of Rowling’s world. By insisting on British and Irish actors, Columbus and Rowling created a cultural authenticity that American fantasy adaptations often lack.

Where can I find the full cast and crew list?

For readers who want the complete credits — including stunt performers, voice artists, and crew — three authoritative sources offer comprehensive lists:

• IMDb provides the full cast and crew breakdown, sorted by role, with actor profiles and career histories.
• Wikipedia lists every actor alongside their character name, with sourcing to official production records.
• Rotten Tomatoes aggregates the cast list alongside critical reviews and audience scores.

These databases confirm that the film credited over 130 speaking roles and background cast members.

The takeaway: IMDb, Wikipedia, and Rotten Tomatoes all offer the full cast list, but Wikipedia provides the most detailed character breakdown alongside production sources.

For a detailed breakdown of every actor who brought the magical world to life, check out the full cast list for the full cast list.

Frequently asked questions

For the cast of Harry Potter and the Philosopher’s Stone, the choice is clear: this wasn’t just a movie casting — it was the start of a cultural institution. Two decades later, no other fantasy franchise has matched the staying power of the ensemble that launched Daniel Radcliffe into stardom.

Related reading

• Cast of The Walsh Sisters: Actors and Characters List
• Cast of The Ex-Wife: Seasons 1 & 2 Full Cast