Gryffindors

Harry Potter - Daniel Radcliffe

Hermione Granger - Emma Watson

Ron Weasley - Rupert Grint

Fred Weasley - James Phelps

George Weasley - Oliver Phelps

Ginny Weasley - Bonnie Wright

Oliver Wood - Sean Biggerstaff

Katie Bell - Emily Dale

Neville Longbottom - Matthew Lewis

Colin Creevy - Hugh Mitchell

Seamus Finnigan - Devon Murray

Dean Thomas - Alfred Enoch

Percy Weasley - Chris Rankin

Alicia Spinnet - Leilah Sutherland

Angelina Johnson - Danielle Taylor

Lee Jordan - Luke Youngblood

Ravenclaws

Penelope Clearwater - Gemma Padley

HufflePuffs

Susan Bones - Eleanor Columbus

Justin Finch-Fletchly - Edward Randell

Slytherins

Draco Malfoy - Tom Felton

Gregory Goyle - Joshua Herdman

Vincent Crabbe - Jamie Waylett

Marcus Flint - Scott Fern

Hogwarts Staff

Albus Dumbeldore - Richard Harris

Rubeus Hagrid - Robbie Coltrane

Gilderoy Lockhart - Kenneth Branagh

Minerva McGonagoll - Maggie Smith

Severus Snape - Alan Rickman

Prof. Flitwick - Warwick Davis

Prof. Sprout - Miriam Margolyes

Madam Pince - Sally Mortemore

Filch - David Bradley

Other Characters

Molly Weasley - Julie Walters

Arthur Weasley - Mark Williams

Lucius Malfoy - Jason Isaacs

Cornelius Fudge - Robert Hardy

Vernon Dursley - Richard Griffiths

Petunia Dursley - Fiona Shaw

Dudley Dursley - Harry Melling

Tom Riddle - Christian Coulson

Lily Potter  - Geraldine Somerville

James Potter -Adrian Rawlins

Non-Human Characters

Nearly Headless Nick - John Cleese

Dobby (voice) - Toby Jones

Aragog (voice) - Julian Glover

Moaning Myrtle - Shirley Henderson

Bloody Baron (ghost) - Terence Bayler

The Fat Lady (portrait)- Elizabeth Spriggs

Fat Friar (ghost) - Simon Fisher-Becker