Suggestions by @danieljones

Margot Robbie

as Black Mask in Batman

Gilbert Gottfried

as Lex Luthor in Batman

Rebel Wilson

as Killer Croc in Batman

Max Schreck

as Dracula in Batman

David Lynch

as Director in Batman

Jason Derulo

as Mister Freeze in Batman

Betty White

as Harley Quinn in Batman

Harvey Weinstein

as Producer in Batman

Evil James Corden

as James Gordon in Batman

Whoopi Goldberg

as Batgirl in Batman

BTS

as Composer in Batman

Samuel L. Jackson

as Robin (Damian Wayne) in Batman

Brian Limond

as Hugo Strange in Batman

Richard Ayoade

as James Gordon in Batman

Denim Richards

as James Gordon in Batman

Jackie Chan

as The Penguin in Batman

Sam Hyde

as The Riddler in Batman

Lizzo

as Catwoman in Batman

Timothée Chalamet

as Alfred Pennyworth in Batman

Samuel L. Jackson

as Robin (Dick Grayson) in Batman