Full Cast — Justice League Unlimited (2004–2006)
Kevin Conroy
Batman (voice)
George Newbern
Superman (voice)
Susan Eisenberg
Wonder Woman (voice)
Carl Lumbly
J'onn J'onzz (voice)
Phil LaMarr
Green Lantern (voice)
Clancy Brown
Lex Luthor (voice)
Michael Rosenbaum
Deadshot (voice) / The Flash (voice) / Ghoul (voice)
Maria Canals-Barrera
Hawkgirl (voice) / Fire (voice) / Shayera Hol (voice)
CCH Pounder
Amanda Waller (voice) / Amanda Waller / Juice (voice)
Kin Shriner
Green Arrow (voice)
Lex Lang
Captain Cold (voice) / Thug Leader (voice) / Nardoc / Angry Patron (voice) / Atomic Skull (voice) / Robber #1 (voice) / Heatwave (voice)
Jennifer Hale
Giganta (voice) / Zatanna (voice) / Killer Frost (voice) / Inza (voice)
Nicholle Tom
Supergirl / Kara (voice) / Supergirl (voice) / Kara / Tea (voice)
Juliet Landau
Plastique (voice) / Tala (voice)
Michael Beach
Mr. Terrific (voice) / Devil Ray (voice) / Commander (voice)
Robert Foxworth
Professor Hamilton (voice)
Chris Cox
Captain Atom (voice) / Shining Knight (voice)
Corey Burton
Brainiac (voice)
J.K. Simmons
General Eiling (voice) / Eiling (voice)
Jeffrey Combs
The Question (voice)
Gina Torres
Vixen (voice)
Powers Boothe
Gorilla Grodd (voice)
Dana Delany
Loana (voice) / Lois Lane (voice)
Amy Acker
The Huntress (voice)
Jeremy Piven
Elongated Man (voice)
Peter Onorati
War Hawk (voice) / B'wana Beast (voice)
Adam Baldwin
Jonah Hex (voice) / Bonk (voice) / Rick Flagg (voice)
Will Friedle
Batman (voice) / Kyle Rayner (voice) / Terry McGinnis (voice)
John C. McGinley
The Atom (voice) / The Atom / Ray Palmer (voice)
Oded Fehr
Dr. Fate (voice)
Morena Baccarin
Black Canary (voice)
James Sie
General Kwan (voice) / Wind Dragon (voice)
Ed O'Ross
General Olanic (voice) / Tobias Manning / Guard (voice)
Robert Picardo
Amazo (voice)
Dee Bradley Baker
Woof (voice) / Blockbuster (voice)
Bruce Timm
Solomon Grundy (voice) / Husband (voice)
Ed Asner
Hephaestus (voice) / Granny Goodness (voice)
Shane Haboucha
Billy Batson (voice) / Kid Superman (voice)
Scott Rummell
Aquaman (voice)
Peter MacNicol
David Clinton (voice)
Mindy Sterling
Enid (voice)
Jamie Alcroft
Larry (voice) / Vance (voice)
Dennis Farina
Wildcat (voice)
Robert Forster
The President (voice)
Scott Patterson
Agent Faraday (voice)
Donal Gibson
Captain Boomerang (voice)
Héctor Elizondo
Hath-Set (voice) / Kragger (voice)
James Remar
Hawkman / Shadow Thief (voice) / Carter Hall (voice)
Nathan Fillion
Vigilante (voice)
Giselle Loren
Stargirl (voice)
Virginia Madsen
Roulette (voice)
Kim Mai Guest
Silver Banshee (voice) / Linda Park (voice)
Lauren Tom
Dr. Light (voice) / Dana (voice)
Robin Atkin Downes
Gentleman Ghost (voice) / Watchtower Ops Tech (voice)
Daniel Dae Kim
Metron (voice)
Michael Ironside
Darkseid (voice)