Suggestions by @scarletstudios

Felicity Jones

as Lois Lane in DC Cinematic Universe: Phase 1

Jeffrey Wright

as Nuidis Vulko in DC Cinematic Universe: Phase 1

Jeremy Irons

as Alfred Pennyworth in DC Cinematic Universe: Phase 1

Emilia Clarke

as Mera in DC Cinematic Universe: Phase 1

Jack Dylan Grazer

as Dick Grayson in DC Cinematic Universe: Phase 1

Dylan O'Brien

as Dick Grayson in DC Cinematic Universe: Phase 1

Harry Lennix

as Martian Manhunter in DC Cinematic Universe: Phase 1

Lucas Till

as Flash in DC Cinematic Universe: Phase 1

Ray Fisher

as Cyborg in DC Cinematic Universe: Phase 1

Erin Moriarty

as Supergirl in DC Cinematic Universe: Phase 1

James Marsden

as Green Lantern in DC Cinematic Universe: Phase 1

Jaimie Alexander

as Wonder Woman in DC Cinematic Universe: Phase 1

Michael Fassbender

as Batman in DC Cinematic Universe: Phase 1

Henry Cavill

as Superman in DC Cinematic Universe: Phase 1