Kevin Conroy as Bruce Wayne / Batman (voice)

Tim Daly as Clark Kent / Superman (voice)

Susan Eisenberg as Diana Prince / Wonder Woman (voice)

Michael Rosenbaum as Barry Allen / The Flash (voice)

Carl Lumbly as J'onn J'onzz / Martian Manhunter / Ma'alefa'ak (voice)

Paul Blackthorne as John Corben / Metallo / Henry Ackerson (voice)

Bumper Robinson as Victor Stone / Cyborg (voice)

Phil Morris as Vandal Savage (voice)

Nathan Fillion as Hal Jordan / Green Lantern (voice)

Carlos Alazraqui as Bane / Terrorist Member (voice)

Claudia Black as Barbara Ann Minerva / Cheetah (voice)

Olivia d'Abo as Carol Ferris / Star Sapphire (voice)

Alexis Denisof as Sam Scudder / Mirror Master (voice)

David Kaufman as Jimmy Olsen (voice)

Grey DeLisle as Lois Lane / Queen (voice)

Robin Atkin Downes as Alfred Pennyworth / Jack (voice)

Dee Bradley Baker as Officer in Charge / Newscaster (voice)

Brian George as Mayor (voice)

Juliet Landau as Ten (voice)

Jim Meskimen as King (voice)

Andrea Romano as Bat Computer (voice)

Bruce Timm as Ace (voice)

Danny Jacobs as Special Agent Porter (voice)