Suggestions by @mr_funcaster

Elodie Grace Orkin

as Batgirl in Gunn's DCU

Oona Laurence

as Batgirl in Gunn's DCU

Emily Carey

as Batgirl in Gunn's DCU

Lulu Wilson

as Batgirl in Gunn's DCU

Dafne Keen

as Batgirl in Gunn's DCU

Jenna Ortega

as Batgirl in Gunn's DCU

Forrest Wheeler

as Nightwing in Gunn's DCU

Laura Harrier

as Black Canary in Gunn's DCU

Henry Golding

as Green Arrow in Gunn's DCU

Chiwetel Ejiofor

as Martian Manhunter in Gunn's DCU

Richard Madden

as Aquaman in Gunn's DCU

Michael Fassbender

as Deathstroke in Gunn's DCU

Dan Stevens

as Lex Luthor in Gunn's DCU

Jonathan Majors

as Lex Luthor in Gunn's DCU

Dev Patel

as Lex Luthor in Gunn's DCU

Sam Claflin

as Lex Luthor in Gunn's DCU

Ryan Hurst

as Darkseid in Gunn's DCU

Colin Ford

as The Flash in Gunn's DCU

Ross Lynch

as The Flash in Gunn's DCU

Rudy Pankow

as The Flash in Gunn's DCU