Albus Dumbledore - Geoffrey Rush
Voldemort - Mark Strong
Minerva McGonagall - Michelle Fairley
Rubeus Hagrid - Gordon Kennedy
Severus Snape - Benedict Cumberbatch
Sirius Black - Michael Fassbender
Remus Lupin - James McAvoy
Arthur Weasley - Martin Freeman
Molly Weasley - Amanda Abbington
Bill Weasley - Richard Madden
Mad-Eye Moody - Jared Harris
Nymphadora Tonks - Jessica Brown Findlay
Kingsley Shacklebolt - Idris Elba
Lucius Malfoy - Nikolaj Coster-Waldau
Narcissa Malfoy - Lena Headey
Bellatrix Lestrange - Sarah Parish
Peter Pettigrew - Tom Hollander
Barty Crouch Jr. - Harry Lloyd
Barty Crouch Sr. - David Tennant
Cornelius Fudge - Stephen Fry
Dolores Umbridge - Juliet Stevenson
Rufus Scrimgeour - Mark Gatiss
Ollivander - Tom Baker
Sybill Trelawney - Catherine Tate
Horace Slughorn - Hugh Bonneville
Gilderoy Lockhart - Matt Smith
Quirinus Quirrell - Michael Sheen
Pomona Sprout - Pauline Collins
Argus Filch - Philip Davis
Madam Pomfrey - Phyllis Logan
Madam Hooch - Alex Kingston
Madame Maxime - Gina McKee
Igor Karkaroff - Stephen Dillane
Vernon Dursley - Conleth Hill
Petunia Dursley - Fenella Woolgar
Unrendered casting choices:
Charlie Weasley: Shaun Evans
Ludo Bagman: Ben Miles
Amelia Bones: Olga Sosnovska
Mrs. Figg: Amanda Root
Aberforth Dumbledore: Alun Armstrong
Mundungus Fletcher: Keith Allen
Amos Diggory: Matthew MacFadyen
Filius Flitwick: Peter Dinklage
Rita Skeeter: Romola Garai
Moaning Myrtle: Louise Brealey