Fő-és mellékszereplők:
Harry Potter - Daniel Radcliffe
Ron Weasley - Rupert Grint
Hermione Granger - Emma Watson
Ginny Weasley - Bonnie Wright
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Neville Longbottom - Matthew Lewis
Fred-és George Weasley - James -és Oliver Phelps
Dean Thomas - Alfred Enoch
Seamus Finnigan - Devon Murray
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Luna Lovegood - Evanna Lynch
Percy Weasley - Chris Rankin
Charlie Weasley - (sajnos nem találtam meg,hogy ki játssza)
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Bill Weasley - Domhnall Gleeson
Molly Weasley - Julia Walters
Arthur Weasley - Mark Williams
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Draco Malfoy - Tom Felton
Vincent Crak - Jamie Waylett
Gregory Monstro - Josh Herdman
Lavender Brown - Jessie Cave
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Cho Chang - Katie Leung
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Parvati Patil - Shefali Chowdhury
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Padma Patil - Afshan Azad
Lee Jordan - Luke Youngblood
Colin Creevey - Hugh Mitchell
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Cormac McLaggen - Freddie Stroma
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Cedric Diggory - Robert Pattinson
Hannah Abbott - Charlotte Skeoch
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Dudley Dursley - Harry Melling
Vernon Dursley - Richard Griffiths
Petunia Dursley - Fiona Shaw
Fleur Delacour - Clémence Poésy
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Gabrielle Delacour - Angelica Mandy
Angelina Johnson - Tiana Benjamin
Alicia Spinnet - Rochelle Douglas
Katie Bell - Georgina Leonidas
Leanne - Isabella Laughland
Marcus Flint - Jamie Yeates
Michael Corner - Ryan Nelson
Oliver Wood - Sean Biggerstaff
Pansy Parkinson - Scarlett Byrne
Zacharias Smith - (sajnos nem találtam meg,hogy ki játssza)
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Viktor Krum - Stanislav Ianevski
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James Potter - Adrian Rawlins
Lily Potter - Geraldine Somerville
Rita Vitrol - Miranda Richardson
Mr.Ollivander - John Hurt
Aberforth Dumbledore - Ciarán Hinds
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Sirius Black - Gary Oldman
Mrs.Figg - Kathryn Hunter
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Marge néni - Pam Ferris
Madam Rosmerta - Julie Christie
James Sirius Potter - Will Dunn
Albus Perselus Potter - Arthur Bowen
Lily Luna Potter - Daphne de Beistegui
Hugo Weasley - Ryan Turner
Rose Weasley - Helena Barlow
Teddy Lupin - (nem szerepel a filmben)
Scorpius Malfoy - Bertie Gilbert
Dobby - Toby Jones
Sipor - ?
