Matt Peters Director Justin Hartley Superman Voice Anson Mount Batman Voice Laura Bailey Lois Lane , Rama Kushna Voice Zach Callison Damian , Jimmy Olsen Voice Brian T. Delaney Green Lantern Voice Edwin Hodge Mr. Terrific , Killer Croc Voice Gillian Jacobs Harley Quinn Voice Anika Noni Rose Catwoman Voice Oliver Hudson Plastic Man Voice Janet Varney Wonder Woman Voice Ernie Altbacker Screenwriter Sam Register Executive Producer