Suggestions by @ benjaminmiller1

Garrett Wareing

as Flash in Justice League

Aaron Pierre

as John Stewart in Justice League

Levon Thurman - Hawke

as Flash in Justice League

Dimitra Papadea

as Wonder Woman in Justice League

Travis Cure

as Martian Manhunter in Justice League

+3-2Score: +1

Jeff Pierre

as Martian Manhunter in Justice League

+1-2Score: -1

Yahya Abdul-Mateen II

as Martian Manhunter in Justice League

Aldis Hodge

as Martian Manhunter in Justice League

+4-0Score: +4

A Newcomer

as Batman in Justice League

An Unknown Actor

as Batman in Justice League

Sean O'Pry

as Batman in Justice League

Livewire

as Kate Micucci in This Actor and Actress should play....

Adèle Exarchopoulos

as Diana of Themyscira in Wonder Woman

+2-2Score: 0

Dimitra Papadea

as Diana of Themyscira in Wonder Woman

Freya Allan

as Potential Actresses for Harbinger in Actresses who should play Harbinger in the DCU

Harbinger (Lyla Michaels)

as Freya Allen in This Actor and Actress should play....

Levon Thurman Hawke

as The Flash in The Flash Rewrite

Zatanna Zatara

as Eleonora Gaggero in This Actor and Actress should play....

Green Lantern (John Stewart)

as Aaron Pierre in Roles that Actors / Actresses needs to be cast in