Daniel Radcliffe as Harry Potter

Rupert Grint as Ron Weasley

Emma Watson as Hermione Granger

Richard Harris as Albus Dumbledore

Tom Felton as Draco Malfoy

Alan Rickman as Severus Snape

Robbie Coltrane as Rubeus Hagrid

Maggie Smith as Minerva McGonagall

Richard Griffiths as Vernon Dursley

Ian Hart as Quirinus Quirrell

Fiona Shaw as Petunia Dursley

John Hurt as Mr. Ollivander

David Bradley as Argus Filch

Matthew Lewis as Neville Longbottom

Sean Biggerstaff as Oliver Wood

Warwick Davis as Goblin Bank Teller / Filius Flitwick / Griphook (voice)

Harry Melling as Dudley Dursley

James Phelps as Fred Weasley

Oliver Phelps as George Weasley

John Cleese as Nearly Headless Nick

Chris Rankin as Percy Weasley

Alfred Enoch as Dean Thomas

Devon Murray as Seamus Finnigan

Jamie Waylett as Vincent Crabbe

Josh Herdman as Gregory Goyle

Zoë Wanamaker as Madam Hooch

Julie Walters as Molly Weasley

Bonnie Wright as Ginny Weasley

Luke Youngblood as Lee Jordan

Verne Troyer as Griphook

Adrian Rawlins as James Potter

Geraldine Somerville as Lily Potter

Elizabeth Spriggs as The Fat Lady

Richard Bremmer as Lord Voldemort

Nina Young as The Grey Lady

Terence Bayler as The Bloody Baron

Harry Taylor as Station Guard

Leslie Phillips as The Sorting Hat (voice)

Simon Fisher-Becker as Fat Friar

Derek Deadman as Bartender in Leaky Cauldron

Ray Fearon as Firenze (voice)

Eleanor Columbus as Susan Bones

Ben Borowiecki as Diagon Alley Boy

Danielle Tabor as Angelina Johnson

Leilah Sutherland as Alicia Spinnet

Emily Dale as Katie Bell

Will Theakston as Terence Higgs

Jamie Yeates as Marcus Flint

David Holmes as Slytherin Beater

Scot Fearn as Adrian Pucey

Jean Southern as Trolley Witch (uncredited)

Kieri Kennedy as Child at Zoo (uncredited)

Leila Hoffman as Augusta Longbottom (uncredited)

Julianne Hough as Hogwarts Schoolgirl (uncredited)

Zoë Sugg as Girl in Potion Class (uncredited)

Jimmy Vee as Goblin (uncredited)

Derek Hough as Ravenclaw Student (uncredited)

Dani Harmer as Student (uncredited)

Mark Ballas as Hogwarts Schoolboy (uncredited)

Paul Marc Davis as Lord Draben (uncredited)

Violet Columbus as Girl with Flowers (uncredited)

Paul Grant as Goblin (uncredited)

Nicholas Read as Goblin (uncredited)