Daniel Radcliffe Harry Potter Rupert Grint Ron Weasley Emma Watson Hermione Granger Kenneth Branagh Gilderoy Lockhart Toby Jones Dobby (voice) Robbie Coltrane Rubeus Hagrid Richard Harris Albus Dumbledore Alan Rickman Severus Snape Tom Felton Draco Malfoy Jason Isaacs Lucius Malfoy Shirley Henderson Moaning Myrtle Richard Griffiths Vernon Dursley Julie Walters Molly Weasley Bonnie Wright Ginny Weasley Fiona Shaw Petunia Dursley Maggie Smith Minerva McGonagall Warwick Davis Filius Flitwick David Bradley Argus Filch Sean Biggerstaff Oliver Wood Robert Hardy Cornelius Fudge John Cleese Nearly Headless Nick (Sir Nicholas) Gemma Jones Poppy Pomfrey Miriam Margolyes Pomona Sprout Mark Williams Arthur Weasley Harry Melling Dudley Dursley James Phelps Fred Weasley Oliver Phelps George Weasley Chris Rankin Percy Weasley Josh Herdman Gregory Goyle Jamie Waylett Vincent Crabbe Christian Coulson Tom Riddle Matthew Lewis Neville Longbottom Alfred Enoch Dean Thomas Devon Murray Seamus Finnigan Luke Youngblood Lee Jordan Hugh Mitchell Colin Creevey Edward Randell Justin Finch-Fletchley Veronica Clifford Mrs Mason Jim Norton Mr Mason Tom Knight Mr Granger Heather Bleasdale Mrs Granger Edward Tudor-Pole Mr Borgin Peter O'Farrell Short Man - Daily Prophet Eleanor Columbus Susan Bones Harry Taylor Station Guard Danielle Tabor Angelina Johnson Jamie Yeates Marcus Flint David Holmes Slyth Beater No 1 Tony Christian Slyth Beater No 3 Sally Mortemore Irma Pince Charlotte Skeoch Hannah Hufflepuff Daisy Bates Brunette Lady - Moving Picture Julian Glover Aragog (voice)