Delany – Lois Lane Alexis Denisof – Mirror Master Grey DeLisle – Downpour, Shifter John DiMaggio – Dreamslayer, Lord Havok Michael Dorn – Kalibak Robin Atkin Downes – Gentleman Ghost, Sinestro (in "Alive") Douglas Dunning – Deimos Héctor Elizondo – Hath-Set Robert Englund – Felix Faust Susan Eisenberg – Wonder Woman, Rampage Mike Erwin – Speedy Dennis Farina – Wildcat Oded Fehr – Doctor Fate Nathan Fillion – Vigilante, Spy Smasher Farrah Forke – Big Barda Robert Forster – President of the United States Robert Foxworth – Professor Hamilton Will Friedle – Green Lantern (Kyle Rayner), Batman (Terry McGinnis) Donal Gibson – Captain Boomerang Ioan Gruffudd – Mister Miracle Paul Guilfoyle – Warlord Kim Mai Guest – Linda Park, Silver Banshee Jennifer Hale – Zatanna, Bernadeth, Giganta, Killer Frost Mark Hamill – Trickster Shane Haboucha - Billy Batson Jason Hervey – Dove Michael Ironside – Darkseid Arte Johnson – Virman Vundabar Jonathan Joss – Pow Wow Smith Bob Joles – Hades Daniel Dae Kim – Metron Phil LaMarr – Green Lantern (John Stewart), Justice Lord Green Lantern, Steel, S.T.R.I.P.E., Machiste, Static Juliet Landau – Zatanna (in "The Balance" Backward Voice), Plastique, Tala Lex Lang – Atomic Skull, Blue Devil, Captain Cold, Heat Wave Ted Levine – Sinestro Giselle Loren – Stargirl Lori Loughlin - Tracy Simmons Carl Lumbly – Martian Manhunter, Martian Manhunter (Justice Lord) Peter MacNicol – Chronos Virginia Madsen – Roulette Tim Matheson – Maxwell Lord Christopher McDonald – Jor-El Malcolm McDowell – Metallo John C. McGinley – Atom Dick Miller – Oberon George Newbern – Superman / Clark Kent, Justice Lord Superman, Bizarro, Evil Star Jerry O'Connell – Captain Marvel Peter Onorati – B'wana Beast, Warhawk Scott Patterson – King Faraday Ron Perlman – Orion Robert Picardo – Amazo Jeremy Piven – Elongated Man CCH Pounder – Amanda Waller Alan Rachins – Clock King Gregg Rainwater – Long Shadow Sheryl Lee Ralph – Cheetah James Remar – Hawkman, Shadow Thief Eric Roberts – Mongul Michael Rosenbaum – Flash, Justice Lord Flash, Vigilante (in "Task Force X"), Deadshot, Doctor Polaris Scott Rummell – Aquaman Tom Everett Scott – Booster Gold Fred Savage – Hawk Raphael Sbarge – Deadman Glenn Shadix – Steven Mandragora Armin Shimerman – Professor Milo Kin Shriner – Green Arrow James Sie – Wind Dragon J. K. Simmons – General Wade Eiling, Mantis Mindy Sterling – Enid Clinton Susan Sullivan – Hippolyta Lauren Tom –