Daniel Radcliffe Harry Potter Rupert Grint Ron Weasley Emma Watson Hermione Granger Robbie Coltrane Rubeus Hagrid Michael Gambon Albus Dumbledore Gary Oldman Sirius Black David Thewlis Remus Lupin Timothy Spall Peter Pettigrew Alan Rickman Severus Snape Tom Felton Draco Malfoy Emma Thompson Sybill Trelawney Julie Walters Molly Weasley Richard Griffiths Vernon Dursley Fiona Shaw Petunia Dursley Maggie Smith Minerva McGonagall David Bradley Argus Filch Pam Ferris Marge Dursley Dawn French The Fat Lady Julie Christie Madam Rosmerta Robert Hardy Cornelius Fudge Mark Williams Arthur Weasley Harry Melling Dudley Dursley Adrian Rawlins James Potter Geraldine Somerville Lily Potter Lee Ingleby Stan Shunpike Lenny Henry Shrunken Head (voice) Jimmy Gardner Ernest Prang Jim Tavaré Tom Oliver Phelps George Weasley James Phelps Fred Weasley Chris Rankin Percy Weasley Bonnie Wright Ginny Weasley Devon Murray Seamus Finnegan Warwick Davis Filius Flitwick Matthew Lewis Neville Longbottom Bronson Webb Slytherin Boy Josh Herdman Gregory Goyle Genevieve Gaunt Pansy Parkinson Alfred Enoch Dean Thomas Paul Whitehouse Sir Cadogan Ekow Quartey Boy 1 Jamie Waylett Vincent Crabbe Danielle Tabor Angelina Johnson Freddie Davies Old Man in Portrait Peter Best The Executioner Ian Brown Wizard (uncredited) Tom Ackerley Slytherin Student (uncredited)