Daniel Radcliffe
as Harry Potter

Rupert Grint
as Ron Weasley

Emma Watson
as Hermione Granger

Kenneth Branagh
as Gilderoy Lockhart

Toby Jones
as Dobby (voice)

Robbie Coltrane
as Rubeus Hagrid

Richard Harris
as Albus Dumbledore

Alan Rickman
as Severus Snape

Tom Felton
as Draco Malfoy

Jason Isaacs
as Lucius Malfoy

Shirley Henderson
as Moaning Myrtle

Richard Griffiths
as Vernon Dursley

Julie Walters
as Molly Weasley

Bonnie Wright
as Ginny Weasley

Fiona Shaw
as Petunia Dursley

Maggie Smith
as Minerva McGonagall

Warwick Davis
as Filius Flitwick

David Bradley
as Argus Filch

Sean Biggerstaff
as Oliver Wood

Robert Hardy
as Cornelius Fudge

John Cleese
as Nearly Headless Nick (Sir Nicholas)

Gemma Jones
as Poppy Pomfrey

Miriam Margolyes
as Pomona Sprout

Mark Williams
as Arthur Weasley

Harry Melling
as Dudley Dursley

James Phelps
as Fred Weasley

Oliver Phelps
as George Weasley

Chris Rankin
as Percy Weasley

Josh Herdman
as Gregory Goyle

Jamie Waylett
as Vincent Crabbe

Christian Coulson
as Tom Riddle

Matthew Lewis
as Neville Longbottom

Alfred Enoch
as Dean Thomas

Devon Murray
as Seamus Finnigan

Luke Youngblood
as Lee Jordan

Hugh Mitchell
as Colin Creevey

Edward Randell
as Justin Finch-Fletchley

Veronica Clifford
as Mrs Mason

Jim Norton
as Mr Mason

Tom Knight
as Mr Granger

Heather Bleasdale
as Mrs Granger

Ben Borowiecki
as Angus (Diagon Boy)

Isabella Columbus
as Girl in Bookstore

Edward Tudor-Pole
as Mr Borgin

Gemma Padley
as Penelope Clearwater

Jenny Tarren
as Aged Witch

Peter O'Farrell
as Short Man - Daily Prophet

Eleanor Columbus
as Susan Bones

Harry Taylor
as Station Guard

Rochelle Douglas
as Alicia Spinnet

Emily Dale
as Katie Bell

Danielle Tabor
as Angelina Johnson

Jamie Yeates
as Marcus Flint

Violet Columbus
as Girl with Flowers

Peter Taylor
as Man - Moving Picture

Scot Fearn
as Adrian Pucey

David Holmes
as Slyth Beater No 1

David Massam
as Slyth Beater No 2

Tony Christian
as Slyth Beater No 3

David Churchyard
as Slyth Keeper

Sally Mortemore
as Irma Pince

Louis Doyle
as Ernie MacMillan

Charlotte Skeoch
as Hannah Hufflepuff

Brendan Columbus
as Boy in Study Hall 1

Robert Ayres
as Boy in Study Hall 2

Alfred Burke
as Armando Dippet

Leslie Phillips
as The Sorting Hat (voice)

Helen Stuart
as Millicent Bulstrode

Daisy Bates
as Brunette Lady - Moving Picture

David Tysall
as Count - Moving Picture

Martin Bayfield
as Young Hagrid

Julian Glover
as Aragog (voice)

Les Bubb
as Reader

Ana Mulvoy Ten
as Student (uncredited)

Zoe Sugg
as Slytherin Student