Suggestions by @theinstageek

Bill Skarsgård

as The joker in Batman VIII

Kristen Stewart

as Selina Kyle in Batman XI

Emma Stone

as Barbara Gordon in Batman IX

Anthony Hopkins

as Alfred Pennyworth in Batman XIII

Hafþór Júlíus Björnsson

as Bane in Batman XIII

Robert Pattinson

as Bruce Wayne in Batman XIII

Anthony Hopkins

as Alfred Pennyworth in Batman XIV

Andy Serkis

as Oswald Cobblepot in Batman XIV

Robert Pattinson

as Batman in Matt Reeves The Batman Trilogy

David Bradley

as Argus Filch in Harry Potter (Perfect Casting)

Jason Isaacs

as Lucius Malfoy in Harry Potter (Perfect Casting)

Jim Carrey

as Doctor Doofenshmirts in Phineas and Ferb

Danny Elfman

as Composer in Scrooged

Michael Bacall

as Writer in Scrooged

Jon Favreau

as Producer in Scrooged

Tim Burton

as Director in Scrooged

Ron Perlman

as Oogie Boogie in The Nightmare Before Christmas

Danny DeVito

as Mayer in The Nightmare Before Christmas

Asa Butterfield

as Damian Wayne in Batman Cinematic Universe

Mila Kunis

as Talia al Ghul in Batman Cinematic Universe