Justice League

Kevin Conroy

Batman (voice)

George Newbern

Superman (voice)

Susan Eisenberg

Wonder Woman (voice)

Phil LaMarr

Green Lantern (voice)

Carl Lumbly

J'onn J'onzz (voice)

Michael Rosenbaum

The Flash (voice)

Maria Canals-Barrera

Hawkgirl (voice)

Jason Marsden

Snapper Carr (voice), Snapper Carr / Bystander (voice), Snapper Carr / SCU Officer (voice), Snapper Carr / Soldier (voice), Snapper Carr / Kid (voice), Snapper Carr / Thanagarian Soldier (voice)

Mark Hamill

The Joker / Solomon Grundy (voice), Solomon Grundy (voice), The Joker (voice), The Joker / Customer (voice)

Jennifer Hale

Giganta / Killer Frost (voice), Inza Nelson / Woman (voice), Black Siren / Woman (voice), Black Siren (voice), Chambermaid / Sroya Bashir / Socialite (voice), Chambermaid (voice), Inza Nelson (voice)

Clancy Brown

Lex Luthor (voice)

Corey Burton

Brainiac / Forager (voice), Pilot / Robber / Socialite (voice), Page (voice), Dr. Blizzard / Mayor (voice), Dr. Blizzard / Ice Cream Man (voice), Bald Technician / Doctor (voice)