Suggestions by @nickienicks

Samara Weaving

as Narcissa Malfoy in Harry Potter (HBO Max Series)

Jim Carrey

as Barty Crouch in Harry Potter (HBO Max Series)

Chris Pine

as Ludo Bagman in Harry Potter (HBO Max Series)

Jensen Ackles

as Amos Diggory in Harry Potter (HBO Max Series)

Taron Egerton

as Charlie Weasley in Harry Potter (HBO Max Series)

Bill Skarsgård

as Bill Weasley in Harry Potter (HBO Max Series)

Viggo Mortensen

as Frank Bryce in Harry Potter (HBO Max Series)

Adam Driver

as Wormtail in Harry Potter (HBO Max Series)

Oscar Isaac

as Sirius Black in Harry Potter (HBO Max Series)

Robert De Niro

as Sirius Black in Harry Potter (HBO Max Series)

Dave Bautista

as Walden Macnair in Harry Potter (HBO Max Series)

Jessica Chastain

as Madame Rosmerta in Harry Potter (HBO Max Series)

Cole Sprouse

as Cedric Diggory in Harry Potter (HBO Max Series)

Oscar Isaac

as Sir Cadogan in Harry Potter (HBO Max Series)

Elle Fanning

as Professor Trelawney in Harry Potter (HBO Max Series)

John Krasinski

as Professor Lupin in Harry Potter (HBO Max Series)

James McAvoy

as Florean Fortescue in Harry Potter (HBO Max Series)

Hugh Laurie

as Ernie Prang in Harry Potter (HBO Max Series)

Jack Dylan Grazer

as Stan Shunpike in Harry Potter (HBO Max Series)

Rebel Wilson

as Aunt Marge in Harry Potter (HBO Max Series)