Suggestions by @alexanderburke

Boyd Holbrook

as Flash in Justice League

Aaron Taylor-Johnson

as Present Superman in Superman - The Origin

Richard Madden

as Present Superman in Superman - The Origin

Henry Cavill

as Present Superman in Superman - The Origin

Denzel Washington

as Lucius Fox in The Batman

Daniel Radcliffe

as Mad Hatter in The Batman

Finn Wittrock

as Two Face in The Batman

David Tennant

as The Riddler in The Batman

Aubrey Plaza

as Catwoman in The Batman

Eiza González

as Catwoman in The Batman

Jonah Hill

as The Penguin in The Batman

Bryan Cranston

as Commissioner Gordon in The Batman

Colin Firth

as Alfred Pennyworth in The Batman

Robert Pattinson

as Batman in The Batman

Taron Egerton

as Harry Osborn in Spider-Man: Home Sweet Home

Aubrey Plaza

as Catwoman in “The Batman” fancast

Evan Rachel Wood

as Pamela Isley/Penelope Irving in J.J Abrams DCEU

Lily James

as Iris West in J.J Abrams DCEU

Jurnee Smollett

as Black Canary in J.J Abrams DCEU

Charlie Hunnam

as Green Arrow in J.J Abrams DCEU