Suggestions by @pococrazy17

Ian McDiarmid

as Desaad in DC Extended Universe

Jesse Eisenberg

as Lex Luthor in DC Extended Universe

Freya Allan

as Supergirl in DC Extended Universe

Adam Driver

as Deadman in DC Extended Universe

Gina Carano

as Big Barda in DC Extended Universe

J.K. Simmons

as Commissioner Jim Gordon in DC Extended Universe

Chiwetel Ejiofor

as Jason Blood in DC Extended Universe

Dan Stevens

as Hellblazer in DC Extended Universe

Natalie Dormer

as Zatanna Zatara in DC Extended Universe

Amy Adams

as Lois Lane in DC Extended Universe

Golshifteh Farahani

as Talia Al Ghul in DC Extended Universe

Bill Nighy

as Brainiac in DC Extended Universe

Nicholas Hoult

as Red Robin in DC Extended Universe

RJ Cyler

as Duke Thomas in DC Extended Universe

Kyle Harrison Breitkopf

as Kid Flash in DC Extended Universe

Drew Roy

as Red Hood in DC Extended Universe

Finn Wittrock

as Nightwing in DC Extended Universe

Pierce Brosnan

as The Original Flash in DC Extended Universe

Eiza González

as Catwoman in DC Extended Universe

Tyrese Gibson

as Green Lantern 2814.3 in DC Extended Universe