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) more..., 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), Abby Ford (Young Witch Maid), 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), Sitara Shah (Parvati Patil), Jennifer Smith (Lavender Brown), Bronson Webb (Slytherin Boy), Josh Herdman (Gregory Goyle) and others.

J.K. Rowling (Novel), Steve Kloves (Screenplay), David Heyman (Producer), Mark Radcliffe (Producer), John Williams (Original Music Composer), Michael Seresin (Director of Photography), Steven Weisberg (Editor) more..., Jina Jay (Casting), Stuart Craig (Production Design), Alan Gilmore (Art Direction), Steven Lawrence (Art Direction), Gary Tomkins (Art Direction), Alexandra Walker (Art Direction), Stephenie McMillan (Set Decoration), Jany Temime (Costume Design), Elizabeth Lewis (Makeup Artist), Andrew Ackland-Snow (Art Direction), David Evans (Supervising Sound Editor), Mark Bullimore (Special Effects), Greg Powell (Stunt Coordinator), Martin Bayfield (Stunts), Rob Dunbar (Visual Effects), Christoph Schinko (3D Animator), Alan McPherson (Best Boy Electric), Caine Dickinson (Lighting Supervisor), Enfys Dickinson (Creative Producer), Anthony Rizzo (Digital Effects Supervisor), Gabriele Zucchelli (Animation), Michael Barnathan (Executive Producer), Chris Carreras (Associate Producer), Callum McDougall (Executive Producer), Lorne Orleans (Producer), Tanya Seghatchian (Executive Producer), Paula DuPré Pesmen (Associate Producer), John Ensby (Color Timer), Grace Lan (Digital Intermediate), Darren Holland (Rigging Grip), Richard Beggs (Sound Designer), James Harrison (Sound Editor), Andrew Bennett (Art Department Assistant) and others.