Ezra Miller has already made cameos as Barry Allen in Suicide Squad and Batman v Superman: Dawn of Justice, and a bigger role as The Flash in Justice League.
Despite many delays, directors, and screenwriters changes, Ezra Miller has been holding on to The Flash project.
Prior to signing on to two big Warner Bros. projects, Ezra Miller appeared in more indie films like The Perks of Being a Wallflower and We Need to Talk About Kevin.
Ezra Miller currently appears as Credence in the Fantastic Beasts series.