Suggestions by @ringothedrummer

Gabriel Bateman

as Wally West in Justice League

Jodie Comer

as Iris West in Justice League

Charles Parnell

as Jim Gordon in Justice League

Mystic Inscho

as Robin in Justice League

Kenneth Branagh

as Alfred Pennyworth in Justice League

Dacre Montgomery

as Rick Flag in Justice League

Liev Schreiber

as Richard Flag in Justice League

Raymond Cruz

as Sam Lane in Justice League

Jon Hamm

as King Faraday in Justice League

Nikki Amuka-Bird

as Amanda Waller in Justice League

Glenn Howerton

as Glorious Godfrey in Justice League

Tom Hardy

as “The Great One” in Justice League

Spoiler

as “The Great One” in Justice League

Starro

as Starro the Conqueror in Justice League

Jacob Scipio

as Aquaman in Justice League

Logan Lerman

as Green Lantern in Justice League

Mike Faist

as The Flash in Justice League

Mahershala Ali

as The Martian Manhunter in Justice League

Melissanthi Mahut

as Wonder Woman in Justice League

Alden Ehrenreich

as Batman in Justice League