Suggestions by @superherolover1994

Julie Walters

as Molly Weasley in Harry Potter saga (2001-2011)

Mark Williams

as Arthur Weasley in Harry Potter saga (2001-2011)

Pam Ferris

as Aunt Marge Dursley in Harry Potter saga (2001-2011)

Harry Melling

as Dudley Dursley in Harry Potter saga (2001-2011)

Fiona Shaw

as Aunt Petunia Dursley in Harry Potter saga (2001-2011)

Richard Griffiths

as Uncle Vernon Dursley in Harry Potter saga (2001-2011)

Lee Ingleby

as Stan Shunpike in Harry Potter saga (2001-2011)

Brendan Gleeson

as Mad-Eye Moody in Harry Potter saga (2001-2011)

Timothy Spall

as Wormtail in Harry Potter saga (2001-2011)

George Harris

as Kinglsey Shacklebolt in Harry Potter saga (2001-2011)

Kenneth Branagh

as Gilderoy Lockhart in Harry Potter saga (2001-2011)

David Tennant

as Barty Crouch Jr. in Harry Potter saga (2001-2011)

Helen McCrory

as Narcissa Malfoy in Harry Potter saga (2001-2011)

Jason Isaacs

as Lucius Malfoy in Harry Potter saga (2001-2011)

Tom Felton

as Draco Malfoy in Harry Potter saga (2001-2011)

Helena Bonham Carter

as Bellatrix Lestrange in Harry Potter saga (2001-2011)

Ralph Fiennes

as Lord Voldemort in Harry Potter saga (2001-2011)

Alan Rickman

as Professor Severus Snape in Harry Potter saga (2001-2011)

Evanna Lynch

as Luna Lovegood in Harry Potter saga (2001-2011)

Alan Rickman

as Remus Lupin in Harry Potter saga (2001-2011)