Daniel Radcliffe (Harry Potter), Rupert Grint (Ron Weasley), Emma Watson (Hermine Granger), Robbie Coltrane (Rubeus Hagrid), Richard Harris (Professor Albus Dumbledore), Alan Rickman (Severus Snape), Maggie Smith (Professor Minerva McGonagall), Ian Hart (Professor Quirinus Quirrell), Tom Felton (Draco Malfoy), Matthew Lewis (Neville Longbottom), Richard Griffiths (Vernon Dursley), Warwick Davis (Goblin-Bankangestellter / Professor Flitwick), John Hurt (Mr. Ollivander), Geraldine Somerville (Lily Potter), Harry Melling (Dudley Dursley), Chris Rankin (Percy Weasley), Fiona Shaw (Petunia Dursley), David Bradley (Argus Filch), Oliver Phelps (George Weasley), Julie Walters (Molly Weasley), Derek Deadman (Tom - Barmann im Tropfenden Kessel), Zoë Wanamaker (Madame Hooch), Ben Borowiecki (Junge in der Winkelgasse), Verne Troyer (Griphook der Goblin), Richard Bremmer (Lord Voldemort), Harry Taylor (Bahnhofswärter), Bonnie Wright (Ginny Weasley), James Phelps (Fred Weasley), John Cleese (der beinahe kopflose Nick), Jamie Waylett (Vincent Crabbe), Josh Herdman (Gregory Goyle), Devon Murray (Seamus Finnigan), Alfred Enoch (Dean Thomas), Eleanor Columbus (Susan Bones), Terence Bayler (Der blutige Baron)