Sam Liu Director, Producer Tara Strong Saturn Girl Voice Diane Guerrero Jessica Cruz , Green Lantern Voice Noel Fisher Brainiac 5 Voice Tom Kenny Bloodsport Voice George Newbern Superman Voice Elyes Gabel Starboy Voice Kevin Michael Richardson Mr. Terrific Voice Daniela Bobadilla Miss Martian Voice Kevin Conroy Batman Voice Sumalee Montano Emerald Empress Voice Philip Anthony-Rodriguez Mano Voice Susan Eisenberg Wonder Woman Voice Matthew Yang King The Persuader Voice Peter Jessop Tharok Voice Alan Burnett Writer Eric Carrasco Writer James Krieg Writer Bruce Timm Executive Producer Sam Register Executive Producer Amy McKenna Producer Michael E. Uslan Co-Executive Producer Christopher D. Lozinski Film Editing Kristopher Carter Music Michael McCuistion Music Lolita Ritmanis Music Wes Gleason Casting