Suggestions by @rover

Michael Caine

as Dumbledore in Harry potter

louis patridge

as Harry potter in Harry potter

David Thewlis

as Jim gordon in Batman

Michael Caine

as Alfred in Batman

Scarlett Johansson as Catwoman

as Catwoman in Batman

Brad Pitt

as Batman in Batman

Margot Robbie

as Posion ivy in Batman

Jack Black

as Mr penguin in Batman

Gary Oldman

as Two face in Batman

Will Smith

as Mr freeze in Batman

Dave Bautista

as Bane in Batman

The Joker (Willem Dafoe)

as Joker in Batman

Brad Pitt

as Bruce Wayne in Batman

Bailee Madison

as Sam larusso in Cobra Kai Recast

Steve Carell

as Gru in Despicable Me

Danny Trejo

as El Macho in Despicable Me

Paul Dano

as Vector in Despicable Me

Gabriel Iglesias

as Donkey in Shrek

Jack Black

as Li shang in Kung Fu panda

Chris Pratt

as Mantis in Kung Fu panda