• 
  Seung Kim

  regizor
• 
  Sam Liu

  regizor

• 
  Adam Beechen

  scenarist
• 
  Duane Capizzi

  scenarist

• 
  Rino Romano

  Bruce Wayne
• 
  Alastair Duncan

  Alfred Pennyworth
• 
  Ron Perlman

  Killer Croc / Rumor / Bane
• 
  Chris Pratt

  Jake

• 
  Brandon Routh

  John Marlowe
• 
  Brooke Shields

  Julie
• 
  Jerry O'Connell

  Nightwing (2 episodes, 2007)
• 
  Dave Foley

  Francis Grey (1 episode, 2007)
• 
  James Remar

  Black Mask (3 episodes, 2006-2008)
• 
  Patrick Warburton

  Cash Tankinson (2 episodes, 2005-2006)
• 
  Peter MacNicol

  Dr. Kirk Langstrom  (3 episodes, 2004-2008)

• 
  Xander Berkeley

  Paul (1 episode, 2007)
• 
  Kath Soucie

  Mel Bramwell  (2 episodes, 2004-2005)
• 
  Rachael MacFarlane

  Blaise (1 episode, 2007)
• 
  Gina Gershon

  Catwoman  (5 episodes, 2004-2007)
• 
  Jack De Sena

  Jimmy Olsen (1 episode, 2007)
• 
  Michael Massee

  Spellbinder (1 episode, 2005)
• 
  Dermot Mulroney

  Green Lantern (3 episodes, 2007-2008)
• 
  Jennifer Hale

  Becky (1 episode, 2004)
• 
  Udo Kier

  Herbert Ziegler (1 episode, 2004)
• 
  Mark Hamill

  Tony Zucco (1 episode, 2006)
• 
  Neil Ross

  Robinson Sprang (1 episode, 2004)
• 
  André Sogliuzzo

  Duncan (1 episode, 2005)
• 
  Diedrich Bader

  Captain Slash  (3 episodes, 2006-2008)
• 
  Robert Patrick

  Hawkman (2 episodes, 2008)
• 
  Jesse Corti

  Chief Angel Rojas (6 episodes, 2005)
• 
  Bob Gunton

  Gorman (1 episode, 2007)
• 
  Clancy Brown

  Mr. Freeze  (6 episodes, 2004-2007)
• 
  Joaquim de Almeida

  Bane (1 episode, 2004)
• 
  Cathy Cavadini

  Moviestar  (1 episode, 2004)
• 
  Kevin Michael Richardson

  The Joker (20 episodes, 2004-2008)
• 
  Miguel Ferrer

  Sinestro (1 episode, 2007)
• 
  Ming-Na Wen

  Detective Ellen Yin (15 episodes, 2004-2005)
• 
  Julianne Grossman

  Lady, Reporter (1 episode, 2006)
• 
  John Larroquette

  Mirror Master (2 episodes, 2007-2008)
• 
  Dana Delany

  Lois Lane (2 episodes, 2007)
• 
  Keone Young

  Hideo Katsu (1 episode, 2004)
• 
  Edward James Olmos

  Chief Angel Rojas (1 episode, 2004)
• 
  Robert Englund

  The Riddler (3 episodes, 2005-2007)
• 
  Jill Talley

  Doctor  (1 episode, 2007)
• 
  Evan Sabara

  Dick Grayson  (24 episodes, 2006-2008)
• 
  Mitch Pileggi

  Commissioner James Gordon  (13 episodes, 2005-2007)
• 
  Daryl Sabara

  Andy  (2 episodes, 2007-2008)
• 
  David Faustino

  David  (1 episode, 2008)
• 
  Frank Gorshin (I)

  Professor Hugo Strange (3 episodes, 2005)
• 
  Adam West

  Mayor Grange (6 episodes, 2004-2006)
• 
  Kurt Fuller

  Superior (1 episode, 2007)
• 
  Charles Napier

  Killgore Steed (1 episode, 2005)
• 
  George Newbern

  Superman  (4 episodes, 2007-2008)
• 
  Louis Gossett Jr.

  Lucius Fox (3 episodes, 2007)
• 
  Henry Gibson

  Bagley (1 episode, 2005)
• 
  Kevin Conroy

  John Grayson (1 episode, 2006)
• 
  Will Friedle

  Gearhead (1 episode, 2005)
• 
  Charlie Schlatter

  Flash (3 episodes, 2007-2008)
• 
  Edie McClurg

  Mrs. Brown (1 episode, 2004)
• 
  Michael Bell

  Crime Boss #2  (2 episodes, 2004-2006)
• 
  Kellie Martin

  Oracle (1 episode, 2007)
• 
  Phil LaMarr

  Maximillion Zeus (1 episode, 2006)
• 
  Chris Hardwick

  Green Arrow (3 episodes, 2007-2008)
• 
  Tom Kenny

  The Penguin  (14 episodes, 2004-2008)
• 
  Dorian Harewood

  Martian Manhunter (4 episodes, 2007-2008)
• 
  Christopher Gorham

  William Mallery  (1 episode, 2008)
• 
  Robert David Hall

  Pilot (1 episode, 2007)
• 
  Jason Marsden

  Firefly  (5 episodes, 2004-2007)
• 
  Maurice LaMarche

  Bruiser (1 episode, 2006)
• 
  Amanda Anka

  Smoke (1 episode, 2007)
• 
  Fred Willard

  Ross Darren  (2 episodes, 2004-2005)
• 
  Jonny Rees

  Count Vertigo (1 episode, 2007)
• 
  Steve Harris

  Detective Ethan Bennett  (11 episodes, 2004-2006)
• 
  Zack Shada

  Boy (1 episode, 2007)
• 
  Googy Gress

  Justin  (1 episode, 2008)
• 
  Dan Castellaneta

  Scarface  (3 episodes, 2004-2008)
• 
  Robert Clotworthy

  Warden (1 episode, 2008)
• 
  Jim Meskimen

  Chuck (1 episode, 2007)
• 
  John DiMaggio

  Mugsy  (2 episodes, 2004-2005)
• 
  Glenn Shadix

  Arthur 'Artie' Brown  (1 episode, 2004)
• 
  Daran Norris

  Brent (1 episode, 2005)
• 
  Ian Abercrombie

  Ewan  (2 episodes, 2005-2006)
• 
  Townsend Coleman

  Campus Guard (1 episode, 2007)
• 
  Grey Griffin

  Amanda  (3 episodes, 2004-2008)
• 
  Kathryn Fiore

  Sally Galt (1 episode, 2008)
• 
  Patton Oswalt

  Cosmo Krank  (2 episodes, 2006-2007)
• 
  Allison Mack

  Clea (1 episode, 2006)
• 
  Gwendoline Yeo

  Mercy Graves (2 episodes, 2007)