Matt Peters Director Christina Sotta Director Jerry O'Connell Superman Voice Shemar Moore Cyborg Voice Tony Todd Darkseid Voice Rebecca Romijn Lois Lane Voice Rosario Dawson Wonder Woman Voice Rainn Wilson Lex Luthor Voice Camilla Luddington Zatanna Voice Christopher Gorham Flash Voice Matt Ryan John Constantine Voice Jason O'Mara Batman Voice Liam McIntyre Captain Boomerang Voice Hynden Walch Harley Quinn Voice Roger Cross John Stewart, Swamp Thing Voice Ray Chase Jason Blood, Etrigan Voice Ernie Altbacker Screenwriter Amy McKenna Producer Sam Register Executive Producer James Tucker Executive Producer Frederik Wiedmann Original Music