Suggestions by @whitneyt

Megan Fox

as Aphrodite in Percy Jackson Disney+ Live Action Show

Simon Pegg

as Muggle Prime Minister in Harry Potter (HBO Max Series)

Maggie Smith

as Agusta Longbottom in Harry Potter (HBO Max Series)

Sean Connery

as Kreacher in Harry Potter (HBO Max Series)

Idris Elba

as Rodolphus Lenstrange in Harry Potter (HBO Max Series)

Tom Holland

as Roland in Relentless series

Timothée Chalamet

as Tristan in Relentless series

Noah Centineo

as Chris/Christen in Relentless series

Bill Skarsgård

as Nikolas Danshov in Relentless series

Maya Hawke

as Jordon in Relentless series

Alfie Allen

as Dex in The Last Flight

Kathy Bates

as Liz in The Last Flight

Sigourney Weaver

as The Sphinx in Harry Potter (HBO Max Series)

David Harbour

as Igor Karkaroff in Harry Potter (HBO Max Series)

Nicholas Hoult

as Sirius Black in Harry Potter (HBO Max Series)

Timothée Chalamet

as Sirius Black in Harry Potter (HBO Max Series)

Elizabeth Hurley

as Madame Rosmerta in Harry Potter (HBO Max Series)

Benedict Cumberbatch

as Aragog in Harry Potter (HBO Max Series)

Sean Astin

as Arthur Weasley in Harry Potter (HBO Max Series)

Jack Whitehall

as Dobby in Harry Potter (HBO Max Series)