Suggestions by @harrypotterfan7

Luke Evans

as Lucius Malfoy in Harry Potter

Andrew Garfield

as Gilderoy Lockhart in Harry Potter

Jared Harris

as Professor Albus Percival Wulfric Brian Dumbledore in Harry Potter

Brian Cox

as Professor Albus Percival Wulfric Brian Dumbledore in Harry Potter

Mark Addy

as Rubeus Hagrid in Harry Potter

Ben Barnes

as Sirius Black in Harry Potter

Natalie Dormer

as Rita Skeeter in Harry Potter

Emma Thompson

as Professor Minerva McGonagall in Harry Potter

David Harewood

as Kingsley Shacklebolt in Harry Potter

Karen Gillan

as Lily Potter in Harry Potter

Keira Knightley

as Andromeda "Dromeda" Tonks (née Black) in Harry Potter

Ruth Wilson

as Dolores Jane Umbridge in Harry Potter

Sean Bean

as Alastor Moody in Harry Potter

Richard Coyle

as Aberforth Dumbledore in Harry Potter

Paul Bettany

as Xenophilius Lovegood in Harry Potter

Samantha Morton

as Alecto Carrow in Harry Potter

Will Keen

as Amycus Carrow in Harry Potter

Mark Addy

as Vernon Dursley in Harry Potter

Sam Taylor-Johnson

as Petunia Dursley (née Evans) in Harry Potter

Naomi Watts

as Narcissa Malfoy in Harry Potter