Lauren Montgomery Director, Producer Kevin Conroy Bruce Wayne, Batman Voice Tim Daly Superman Voice Susan Eisenberg Wonder Woman Voice Nathan Fillion Hal Jordan , Green Lantern Voice Carl Lumbly Martian Manhunter , Ma'alefa'ak Voice Michael Rosenbaum The Flash Voice Bumper Robinson Cyborg Voice Carlos Alazraqui Bane Voice Claudia Black Cheetah Voice Paul Blackthorne Metallo Voice Olivia d'Abo Star Sapphire Voice Alexis Denisof Mirror Master Voice Phil Morris Vandal Savage Voice Grey DeLisle Lois Lane, Queen Voice David Kaufman Jimmy Olsen Voice Dwayne McDuffie Screenwriter Alan Burnett Producer Bruce Timm Executive Producer Christopher Drake Original Music Christopher D. Lozinski Film Editing Andrea Romano Casting