Students
Daniel Radcliffe as Harry Potter
Rupert Grint as Ron Weasley
Emma Watson as Hermione Granger
Tom Felton as Draco Malfoy
Matthew Lewis as Neville Longbottom
Devon Murray as Seamus Finnigan
Alfie Enoch as Dean Thomas
James Phelps as Fred Weasley
Oliver Phelps as George Weasley
Luke Youngblood as Lee Jordan
Chris Rankin as Percy Weasley
Bonnie Wright as Ginny Weasley
Sean Biggerstaff as Oliver Wood
Katharine Nicholson as Pansy Parkinson
Emily Dale as Katie Bell
Leila Sutherland as Alicia Spinnet
Danielle Tabor as Angelina Johnson
Will Theakston as Terence Higgs
James Waylett as Vincent Crabbe
Joshua Herdman as Gregory Goyle
Scott Fearn as Adrian Pucey
Staff
Richard Harris as Albus Dumbledore
Maggie Smith as Minerva McGonagall
Robbie Coltrane as Rubeus Hagrid
Alan Rickman as Severus Snape
Ian Hart as Quirrel
Zoe Wannamaker as Madame Hooch
Warwick Davis as Professor Flitwick
David Bradley as Argus Filch
Other
Julie Walters as Molly Weasley
Harry Melling as Dudley Durlsey
Richard Griffiths as Vernon Dursley
Fiona Shaw as Petunia Dursley
John Hurt as Mr Ollivander
Geraldine Somerville as Lily Potter
Adrian Rawlins as James Potter
Ghosts and non-humans
John Cleese as Nearly Headless Nick
Simon Fisher-Becker as Fat Friar
Terence Baylor as Bloody Baron
Nina Young as Grey Lady
Elizabeth Spriggs as The Fat Lady
Rik Mayall as Peeves
Warwick Davis as Gringotts Goblin/ Professor Flitwick
Verne Troyer as Gringotts Goblin
Rusty Goffe as Gringotts Goblin
Mike Edmonds as Gringotts Goblin
Ray Griffiths as Gringotts Goblin
Peter Burroughs as Gringotts Goblins
Richard Bremmer as You-Know-Who/Voldemort