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)

Zoë Sugg as Slytherin Student

Amy Athwal-Kirby as Hogwarts Student

Hazel Keech as Hogwarts Student (uncredited)