Suggestions by @mrcelcius

Javier Bardem

as Atrocitus in Green Lantern

Sonoya Mizuno

as Carol Ferris in Green Lantern

Donald Glover

as John Stewart in Green Lantern

Peter Sarsgaard

as Sinestro in Green Lantern

Charlie Hunnam

as Green Lantern in Green Lantern

Bill Burr

as Howard Ratner in Uncut Gems(90s)

Kaya Scodelario

as Black Cat in Spider-Man 4 (2008)

Casey Affleck

as Mysterio in Spider-Man 4 (2008)

Mark Strong

as Vulture in Spider-Man 4 (2008)

Jackie Earle Haley

as Carnage in Spider-Man 4 (2008)

Rihanna

as Daydream in Nightmare

Deragh Campbell

as Dreamqueen in Nightmare

Christopher Abbott

as Dracula in Nightmare

Daniel Day-Lewis

as Nightmare in Nightmare

Clint Mansell

as Composer in Nightmare

Michael Sheen

as Ben Parker in Nightmare

Christopher Abbott

as Nightmare in Nightmare

Frank Miller

as Writer in Nightmare

Brandon Cronenberg

as Director in Nightmare

Mark Hamill

as Earl Stutz in The Iron Giant