Suggestions by @hannahlewis

Tom Holland

as Bartemius Crouch Jr in The Marauder's Era

Aaron Taylor-Johnson

as Cygnus Black III in The Marauder's Era

James Hostile

as Xenophilius Lovegood in The Marauder's Era

James Buckley

as Peter Pettigrew in The Marauder's Era

Amber Heard

as Dolores Umbridge in The Marauder's Era

Bill Skarsgård

as Tom Marvolo Riddle in The Marauder's Era

Ariel Winter

as Rita Skeeter in The Marauder's Era

Kit Connor

as Arthur Weasley in The Marauder's Era

Natalie Portman

as Bellatrix Black in The Marauder's Era

Lily Collins

as Lily Evans in The Marauder's Era

Malik Yoba

as Lily Evans in The Marauder's Era

Benedict Cumberbatch

as Willy Wonka in Charlie and the Chocolate Factory: Horror Edition

Warwick Davis

as Oompa Loopas in Charlie and the Chocolate Factory: Horror Edition

Jacob Bertrand

as Charlie Bucket in Charlie and the Chocolate Factory: Horror Edition