Suggestions by @danknhighwalker

Ludi Lin

as Garfield Logan in DCEU Rebooted

Karen Gillan

as Koriand'r in DCEU Rebooted

Joseph Gordon-Levitt

as Blue Beetle in DCEU Rebooted

Wyatt Russell

as Wally West in DCEU Rebooted

Hayden Christensen

as Arsenal/Speedy in DCEU Rebooted

Mark Dacascos

as Ra's Al Ghul in DCEU Rebooted

Bryce Dallas Howard

as Batwoman in DCEU Rebooted

Jessica Biel

as Hawkgirl in DCEU Rebooted

Wes Bentley

as Scarecrow in DCEU Rebooted

Amanda Seyfried

as Catwoman in DCEU Rebooted

Milla Jovovich

as Poison Ivy in DCEU Rebooted

Ryan Reynolds

as Green Lantern in DCEU Rebooted

James Franco

as Riddler in DCEU Rebooted

Sebastian Stan

as Lex Luthor in DCEU Rebooted

Wyatt Russell

as The Flash in DCEU Rebooted

Ben Barnes

as Nightwing in DCEU Rebooted

Taron Egerton

as Lex Luthor in DCEU Rebooted

Keanu Reeves

as Lex Luthor in DCEU Rebooted

Brandon Routh

as Superman in DCEU Rebooted

Adam Driver

as Superman in DCEU Rebooted