Suggestions by @rylanthomas

iDubbbz

as Riddler in DCEU Rebooted

Alexis Cabrera

as Harley Quinn in DCEU Rebooted

Chloë Grace Moretz

as Tara Markov in DC Universe

Jeremy Wang (Disguised Toast)

as Garth in DC Universe

Oded Fehr

as Ra's Al Ghul in DC Universe

John Cena

as Nathaniel Adam in DC Universe

Mads Mikkelsen

as Sebastian Blood in DC Universe

John Cable

as Dick Grayson in DC Universe

Ludwig Ahgren

as Wally West in DC Universe

Grace Van Dien

as Kara Danvers in DC Universe

Halle Bailey

as M'gann M'orzz in DC Universe

Alan Ritchson

as Nathaniel Adam in DC Universe

Rachell Hofstetter

as Komand'r in DC Universe

Meghan Ory

as Helena Bertinelli in DC Universe

James Marsden

as Hal Jordan in DC Universe

Sterling K. Brown

as J'onn J'onzz in DC Universe

Mike Colter

as Jon Stewart in DC Universe

Paul Bettany

as John Smith in DC Universe

Colin Salmon

as John Smith in DC Universe

Katheryn Winnick

as Dinah Laurel Lance in DC Universe