Suggestions by @riversidersyih

James Spader

as Braniac in The perfect Justice League movie

Jacob Bertrand

as Beast Boy in The perfect Justice League movie

Ana de Armas

as Starfire in The perfect Justice League movie

Brian Thompson

as Mongul in The perfect Justice League movie

Dwayne Johnson

as Teth-Adam in The perfect Justice League movie

Pierce Brosnan

as Doctor Fate in The perfect Justice League movie

Daniel Ezra

as Gridd in The perfect Justice League movie

Alfred Molina

as The penguin in The perfect Justice League movie

Michael B. Jordan

as Black Manta in The perfect Justice League movie

Antony Starr

as Reverse Flash in The perfect Justice League movie

Luke Evans

as Sinestro in The perfect Justice League movie

Melissa Benoist

as Cheetah in The perfect Justice League movie

Mark Strong

as Lex Luthor in The perfect Justice League movie

Willem Dafoe

as The Joker in The perfect Justice League movie

Ray Porter

as Darkseid in The perfect Justice League movie

Idris Elba

as Martian Manhunter in The perfect Justice League movie

Daniel Ezra

as Cyborg in The perfect Justice League movie

Dylan O'Brien

as Robin in The perfect Justice League movie

Daisy Ridley

as Hawkgirl in The perfect Justice League movie

Alexandra Daddario

as Zatanna in The perfect Justice League movie