David Boreanaz Hal Jordan / Green Lantern (voice) Neil Patrick Harris Barry Allen / The Flash (voice) Brooke Shields Carol Ferris (voice) Jeremy Sisto Batman (voice) Kyle MacLachlan Superman (voice) Miguel Ferrer J'onn J'onzz / Martian Manhunter (voice) Keith David The Centre (voice) Lucy Lawless Wonder Woman (voice) Lex Lang Rick Flagg (voice) Phil Morris King Faraday (voice) Kyra Sedgwick Lois Lane (voice) Joe Alaskey Bugs Bunny (voice) Jeff Bennett Sportscaster (voice) Corey Burton Abin Sur (voice) Townsend Coleman Dr. Magnus (voice) John Heard Ace Morgan Joe Mantegna Crooner