Hal Jordan / Green Lantern (voice)

Nathan Fillion

Bruce Wayne/Batman

Kevin Conroy

Superman

Tim Daly

Wonder Woman

Susan Eisenberg

Barry Allen / The Flash (voice)

Michael Rosenbaum

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

Carl Lumbly

John Corben / Metallo / Henry Ackerson (voice)

Paul Blackthorne

Victor Stone / Cyborg (voice)

Bumper Robinson

Bane / Terrorist Member (voice)

Carlos Alazraqui

Vandal Savage (voice)

Phil Morris

Cheetah

Claudia Black

Star Sapphire

Olivia D'Abo

Mirror Master

Alexis Denisof

Jimmy Olsen (voice)

David Kaufman

Lois Lane/Queen

Grey DeLisle

Alfred Pennyworth / Jack (voice)

Robin Atkin Downes

Officer in Charge / Newscaster (voice)

Dee Bradley Baker

Mayor (voice)

Brian George

Ten (voice)

Juliet Landau

King (voice)

Jim Meskimen

Bat Computer (voice)

Andrea Romano

Ace (voice)

Bruce Timm

Agent Porter (voice)

Danny Jacobs