Kevin Conroy
Batman (voice) (24 eps)
George Newbern
Superman (voice) (24 eps)
Susan Eisenberg
Wonder Woman (voice) (24 eps)
Phil LaMarr
Green Lantern (voice) (24 eps)
Carl Lumbly
J'onn J'onzz (voice) (24 eps)
Michael Rosenbaum
The Flash (voice) (24 eps)
Maria Canals-Barrera
Hawkgirl (voice) (24 eps)
Olivia d'Abo
Star Sapphire / Carol Ferris (voice) (6 eps)
Susan Sullivan
Queen Hippolyta (voice) (5 eps)
Jason Marsden
Snapper Carr / Soldier (voice) (5 eps)
Dave Thomas
Harv Hickman (voice) (4 eps)
Phil Morris
General / Soldier (voice) (4 eps)
Corey Burton
Dr. Blizzard / Mayor (voice) (3 eps)
Patrick Duffy
Steve Trevor / Flagship Pilot #1 (voice) (3 eps)
J. Grant Albrecht
General Hoffman (voice) (3 eps)
Mark Hamill
Solomon Grundy (voice) (3 eps)
Stephen McHattie
The Shade / Richard Swift (voice) (3 eps)
Neil Patrick Harris
Ray Thompson (voice) (2 eps)
James Remar
Lead Manhunter (voice) (2 eps)
Peter Renaday
Graz / Bailiff (voice) (2 eps)
Brian George
Forian / Guardian of Oa (voice) (2 eps)
Kurtwood Smith
Prosecutor (voice) (2 eps)
René Auberjonois
Kanjar-Ro / Galius Zed / Guardian of Oa (voice) (2 eps)
Richard Green
Orm (voice) (2 eps)
Xander Berkeley
General Brak / Soldier (voice) (2 eps)
Robert Englund
Felix Faust (voice) (2 eps)
John Rhys-Davies
Lord Hades (voice) (2 eps)
Richard Doyle
U.N. Assembly Leader / Doctor (voice) (2 eps)
Ian James Corlett
Thug / Crewman / Green Alien (voice) (2 eps)
David Paymer
Chancellor / Captain (voice) (2 eps)
Eric Roberts
Mongul (voice) (2 eps)
William Smith
Draaga (voice) (2 eps)
Phil Proctor
First Humanoid / Gladiator (voice) (2 eps)
David Ogden Stiers
Solovar / Car Owner (voice) (2 eps)
Virginia Madsen
Dr. Sarah Corwin (voice) (2 eps)
André Sogliuzzo
SWAT Officer / Vendor (voice) (2 eps)
Karen Maruyama
Tsukuri / Firefighter (voice) (2 eps)
Maggie Wheeler
Antiope / Perfume Lady (voice) (2 eps)
Julie Bowen
Aresia (voice) (2 eps)
Vanessa Marshall
Paramedic / Co-Pilot (voice) (2 eps)
David Naughton
The Streak (voice) (2 eps)
Jennifer Hale
Black Siren / Donna Vance (voice) (2 eps)
William Katt
Green Guardsman / Scott Mason (voice) (2 eps)
Stephen Root
Cat Man / T. Blake (voice) (2 eps)
Ted McGinley
Tom Turbine (voice) (2 eps)
Udo Kier
The Music Master (voice) (2 eps)
Michael McKean
The Sportsman / Sgt. O'Shaughnessey (voice) (2 eps)
Jeffrey Jones
Sir Swami (voice) (2 eps)
Sheryl Lee Ralph
Cheetah / Barbara Ann Minerva (voice) (2 eps)
Efrain Figueroa
Copperhead (voice) (2 eps)
Kristin Bauer van Straten
Mera (voice) (2 eps)
Soren Fulton
Mordred / J'onn's Children (voice) (2 eps)
Michael T. Weiss
Etrigan the Demon / Jason Blood (voice) (2 eps)
Pam Grier
My'ria'h (voice) (2 eps)
Danica McKellar
Sapphire Stagg (voice) (2 eps)
Tom Sizemore
Metamorpho / Rex Mason (voice) (2 eps)
Earl Boen
Simon Stagg (voice) (2 eps)
Richard Moll
Java / Mr. Braddock (voice) (2 eps)
Fred Dryer
Sgt. Rock (voice) (2 eps)
Robert Picardo
Blackhawk / Nazi Soldier (voice) (2 eps)
Ted Levine
Bulldozer (voice) (2 eps)
Scott Rummell
Aquaman / Arthur Curry (voice) (2 eps)
Powers Boothe
Gorilla Grodd (voice) (2 eps)
Clancy Brown
Lex Luthor (voice) (2 eps)
Ian Buchanan
Ultra-Humanite (voice) (2 eps)
Michael Gough
Professor Henry Moss / Security Guard (voice) (1 eps)
Gary Cole
J. Allen Carter (voice) (1 eps)
Max Brooks
Howie (voice) (1 eps)
Wanda Christine
Female Technician / SCU Officer (voice) (1 eps)
Clyde Kusatsu
Japanese Ambassador / Asian Technician (voice) (1 eps)
Kevin Michael Richardson
General Wells / SCU Officer / Squadron Leader / Bikers (voice) (1 eps)
Garrett Morris
Al McGee (voice) (1 eps)
Rickey D'Shon Collins
Chris McGee / Robber (voice) (1 eps)
Chad Einbinder
Captain / Pedestrian / Cop (voice) (1 eps)
Serena Berman
Cassie (voice) (1 eps)
Lauri Fraser
Cassie's Mom (voice) (1 eps)
Jan Rabson
Professor Erlich (voice) (1 eps)
Andrea Romano
Amazon Officer (voice) (1 eps)
Cathy Cavadini
Dr. Mary / Blonde Girl (voice) (1 eps)
Bill Duke
Detective (voice) (1 eps)
Keone Young
Professor Arthur Chin (voice) (1 eps)
Jose Yenque
Copperhead / Driver (voice) (1 eps)
Julianne Grossman
Phillipus / Driver / Pilot #2 (voice) (1 eps)
Grant Heslov
Doctor / Father (voice) (1 eps)
Ashley Edner
Trina (voice) (1 eps)
William Morgan Sheppard
Merlin (voice) (1 eps)
Jim Meskimen
Knight (voice) (1 eps)
Cam Clarke
Paramedic (voice) (1 eps)
Jim Wise
Bouncer (voice) (1 eps)
Michael Bell
NTSB Inspector / Conducter (voice) (1 eps)
Lisa Long
Secretary / Cop / Reporter (voice) (1 eps)
John Rubinow
Brakeman / Drill Worker / Robber (voice) (1 eps)
Dee Bradley Baker
Synthoid / Thug / Cop (voice) (1 eps)
Dennis Haysbert
Kilowog (voice) (1 eps)