Suggestions by @averyburner

Shrek the Third

as Monsieur Delacour in Harry Potter (HBO Max Series)

Elsie Fisher

as Mrs. Diggory in Harry Potter (HBO Max Series)

Eileen April Boylan

as Barty Crouch Jr. in Harry Potter (HBO Max Series)

Kelsey Grammer

as Rabastian Lenstrange in Harry Potter (HBO Max Series)

America Ferrera

as Rodolphus Lenstrange in Harry Potter (HBO Max Series)

Amy Poehler

as Belatrix Lenstrange in Harry Potter (HBO Max Series)

Sean Penn

as Fleur Delacour in Harry Potter (HBO Max Series)

Charlize Theron

as Professor Grubbly-Plank in Harry Potter (HBO Max Series)

Ryan Reynolds

as Rita Skeeter in Harry Potter (HBO Max Series)

Sean Bean

as Viktor Krum in Harry Potter (HBO Max Series)

Ansel Elgort

as Mad-Eye Moody in Harry Potter (HBO Max Series)

Timothée Chalamet

as Igor Karkaroff in Harry Potter (HBO Max Series)

Shelly Duvall

as Madame Maxine in Harry Potter (HBO Max Series)

Matthew Morrison

as Aidan Lynch in Harry Potter (HBO Max Series)

Danny Trejo

as Winky in Harry Potter (HBO Max Series)

Sofia Carson

as Barty Crouch in Harry Potter (HBO Max Series)

Kellyanne Conway

as Narcissa Malfoy in Harry Potter (HBO Max Series)

Kellyanne Conway

as Ludo Bagman in Harry Potter (HBO Max Series)

Kaia Gerber

as Amos Diggory in Harry Potter (HBO Max Series)

Emily Blunt

as Charlie Weasley in Harry Potter (HBO Max Series)