Chris Columbus Director, Executive Producer Daniel Radcliffe Harry Potter Actor Rupert Grint Ron Weasley Actor Emma Watson Hermione Granger Actor John Cleese Nearly Headless Nick Actor Robbie Coltrane Rubeus Hagrid Actor Warwick Davis Professor Flitwick Actor Richard Griffiths Vernon Dursley Actor Richard Harris Professor Dumbledore Actor Ian Hart Professor Quirrell Actor John Hurt Mr. Ollivander Actor Alan Rickman Professor Snape Actor Fiona Shaw Petunia Dursley Actor Maggie Smith Professor McGonagall Actor Julie Walters Mrs. Weasley Actor Sean Biggerstaff Oliver Wood Actor Zoë Wanamaker Madame Hooch Actor David Bradley Mr. Filch Actor Tom Felton Draco Malfoy Actor Harry Melling Dudley Dursley Actor Matthew Lewis Neville Longbottom Actor David Heyman Producer Michael Barnathan Executive Producer Mark Radcliffe Executive Producer Duncan Henderson Executive Producer Steve Kloves Screenwriter J.K. Rowling Writer Richard Francis-Bruce Film Editing John Williams Original Music John Seale Cinematographer Stuart Craig Production Design Judianna Makovsky Costume Design Robert Legato Visual Effects Supervisor Andrew Ackland-Snow Art Director Stephenie McMillan Set Decoration