| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Beechen | Crew | Writing | Writer | 6 |
 Alan Burnett | Crew | Production | Executive Producer, Writer | 66 |
 Anthony Chun | Crew | Directing | Director | 9 |
Bob Goodman | Crew | Writing | Writer | 1 |
Christopher Berkeley | Crew | Directing | Director | 7 |
 David Slack | Crew | Writing | Writer | 1 |
Duane Capizzi | Crew | Production | Producer, Writer, Creator | 65 |
Greg Klein | Crew | Writing | Writer | 3 |
Greg Weisman | Crew | Writing | Writer | 9 |
 Jane Espenson | Crew | Writing | Writer | 2 |
Michael Goguen | Crew | Production | Producer | 65 |
 Paul Dini | Crew | Writing | Writer | 2 |
Paul Giacoppo | Crew | Writing | Writer | 1 |
 Sam Liu | Crew | Directing | Director | 8 |
 Stan Berkowitz | Crew | Writing | Writer | 5 |
Steven Melching | Crew | Writing | Writer | 12 |
Tom Pugsley | Crew | Writing | Writer | 2 |
 Brandon Vietti | Crew | Directing | Director | 21 |
 Christopher L. Yost | Crew | Writing | Writer | 4 |
Dave Kupczyk | Crew | Art | Art Department Manager | 13 |
Jeff Matsuda | Crew | Production | Producer, Character Designer | 66 |
Ken Yi | Crew | Art | Background Designer | 13 |
 Matt Youngberg | Crew | Directing | Director | 5 |
Seung Eun Kim | Crew | Directing | Director | 12 |
 Michael Jelenic | Crew | Writing | Writer | 5 |
 Glen Murakami | Crew | Production | Producer | 65 |
Steve Cuden | Crew | Writing | Writer | 1 |
Alexx Van Dyne | Crew | Writing | Writer | 6 |
Joseph Kuhr | Crew | Writing | Writer | 7 |
 Brian Swenlin | Crew | Writing | Writer | 1 |
 Adam West | Cast | Actor | Mayor Grange (voice) | 6 |
 Allison Mack | Cast | Actress | Clea (voice) | 1 |
 Amanda Anka | Cast | Actress | Smoke (voice) | 1 |
 André Sogliuzzo | Cast | Actor | Duncan (voice) | 1 |
 Billie Hayes | Cast | Actress | Virginia / Georgia (voice) | 1 |
 Bob Gunton | Cast | Actor | Gorman (voice) | 1 |
 Brandon Routh | Cast | Actor | Everywhere Man (voice) | 1 |
 Brooke Shields | Cast | Actress | Julie (voice) | 1 |
 Cathy Cavadini | Cast | Actress | Wife / Movie Star / Reporter (voice) | 1 |
 Charles Napier | Cast | Actor | Kilgore Steed (voice) | 1 |
 Charlie Schlatter | Cast | Actor | Flash (voice) | 3 |
 Chris Hardwick | Cast | Actor | Green Arrow (voice) | 3 |
 Chris Pratt | Cast | Actor | Jake (voice) | 1 |
Christie Mellor | Cast | Female Caller (voice) | 1 | |
 Christopher Gorham | Cast | Actor | William Mallery / Wrath (voice) | 1 |
 Clancy Brown | Cast | Actor | Lex Luthor (voice) | 2 |
 Dan Castellaneta | Cast | Actor | Scarface (voice) | 1 |
 Dana Delany | Cast | Actress | Lois Lane (voice) | 2 |
 Danielle Judovits | Cast | Actress | Barbra Gordan / Batgirl (voice) | 39 |
 Daran Norris | Cast | Actor | Brent (voice) | 1 |
 Daryl Sabara | Cast | Actor | Harris (voice) | 1 |
 Dave Foley | Cast | Actor | Francis (voice) | 1 |
 David Faustino | Cast | Actor | David (voice) | 1 |
 Dermot Mulroney | Cast | Actor | Green Lantern (voice) | 3 |
 Diedrich Bader | Cast | Actor | Shadow Thief (voice) | 1 |
 Dorian Harewood | Cast | Actor | Martian Manhunter (voice) | 4 |
 Edie McClurg | Cast | Actress | Mrs. Brown (voice) | 1 |
 Edward James Olmos | Cast | Actor | Chief Rojas (voice) | 1 |
 Evan Sabara | Cast | Actor | Dick Grayson / Robin (voice) | 26 |
 Frank Gorshin | Cast | Actor | Professor Hugo Strange (voice) | 3 |
 Fred Willard | Cast | Actor | Announcer / Instructor (voice) | 1 |
 George Newbern | Cast | Actor | Superman (voice) | 4 |
 Gina Gershon | Cast | Actress | Catwoman (voice) | 5 |
 Glenn Shadix | Cast | Actor | Cluemaster (voice) | 1 |
 Googy Gress | Cast | Actor | Justin (voice) | 1 |
 Greg Ellis | Cast | Actor | Count Vertigo (voice) | 1 |
 Grey DeLisle | Cast | Actress | Amber (voice) | 1 |
 Henry Gibson | Cast | Actor | Bagley (voice) | 1 |
 Hynden Walch | Cast | Actress | Harley Quinn (voice) | 2 |
 Ian Abercrombie | Cast | Actor | Ewan Fripp (voice) | 1 |
 James Remar | Cast | Actor | Black Mask (voice) | 3 |
 Jane Singer | Cast | Director / Waitress (voice) | 1 | |
 Jason Marsden | Cast | Actor | Boy #1 / Boy #2 (voice) | 1 |
 Jeff Bennett | Cast | Actor | D.A.V.E. (voice) | 1 |
 Jennifer Hale | Cast | Actress | Becky (voice) | 1 |
 Jerry O'Connell | Cast | Actor | Nightwing (voice) | 2 |
 Jesse Corti | Cast | Actor | Chief Rojas (voice) | 6 |
 Jill Talley | Cast | Actress | Doctor / Socialite (voice) | 1 |
 Jim Cummings | Cast | Actor | Temblor (voice) | 1 |
 Jim Meskimen | Cast | Actor | Chuck (voice) | 1 |
 Jim Wise | Cast | Actor | Detective (voice) | 1 |
 Joaquim de Almeida | Cast | Actor | Bane (voice) | 1 |
 Joe Lala | Cast | Actor | Bomb Tech | 1 |
 John DiMaggio | Cast | Actor | Rhino / Mugsy (voice) | 2 |
 John Larroquette | Cast | Actor | Mirror Master (voice) | 2 |
 John Mariano | Cast | Actor | Number 1 (voice) | 1 |
 Julianne Grossman | Cast | Actress | Lady / Reporter (voice) | 1 |
 Kath Soucie | Cast | Actress | Mel (voice) | 1 |
 Kathryn Fiore | Cast | Actress | Sally Galt (voice) | 1 |
 Kellie Martin | Cast | Actress | Oracle (voice) | 1 |
 Keone Young | Cast | Actor | Katsu (voice) | 1 |
 Kevin Conroy | Cast | Actor | John Grayson (voice) | 1 |
 Kevin Grevioux | Cast | Actor | Solomon Grundy (voice) | 1 |
 Kevin Michael Richardson | Cast | Actor | The Joker (voice) | 20 |
 Kurt Fuller | Cast | Actor | Superior (voice) | 1 |
 Louis Gossett Jr. | Cast | Actor | Lucius Fox (voice) | 3 |
 Mark Hamill | Cast | Actor | Zucco (voice) | 1 |
 Maurice LaMarche | Cast | Actor | Bruiser (voice) | 1 |
 Michael Bell | Cast | Actor | Reporter / Guard (voice) | 1 |
 Michael Massee | Cast | Actor | Spellbinder (voice) | 1 |
 Michael Reisz | Cast | Actor | Donnie / Prank (voice) | 2 |
 Miguel Ferrer | Cast | Actor | Sinestro (voice) | 1 |
 Miguel Sandoval | Cast | Actor | Thug #1 (voice) | 1 |
 Ming-Na Wen | Cast | Actress | Detective Ellen Yin (voice) | 26 |
 Mitch Pileggi | Cast | Actor | Gordon (voice) | 1 |
 Neil Ross | Cast | Actor | Sprang (voice) | 1 |
 Patrick Warburton | Cast | Actor | Cash Tankenson (voice) | 2 |
 Patton Oswalt | Cast | Actor | Marty Slack (voice) | 1 |
 Peter Jessop | Cast | Actor | Curator (voice) | 1 |
 Peter MacNicol | Cast | Actor | Langstrom (voice) | 3 |
 Phil LaMarr | Cast | Actor | Maximillian Zeus (voice) | 1 |
 Richard Green | Cast | Actor | Toyman / Hugo Strange (voice) | 1 |
 Rino Romano | Cast | Actor | Bruce Wayne / The Batman (voice) | 65 |
 Rob Paulsen | Cast | Actor | Kid (voice) | 1 |
 Robert Clotworthy | Cast | Actor | Warden (voice) | 1 |
 Robert David Hall | Cast | Actor | Pilot (voice) | 1 |
 Robert Englund | Cast | Actor | The Riddler (voice) | 3 |
 Robert Patrick | Cast | Actor | Hawkman (voice) | 2 |
 Roger Rose | Cast | Actor | Worker #2 (voice) | 1 |
 Ron Perlman | Cast | Actor | Killer Croc (voice) | 3 |
 Steve Harris | Cast | Actor | Clayface (voice) | 1 |
 Tom Kenny | Cast | Actor | The Penguin (voice) | 14 |
 Townsend Coleman | Cast | Actor | Campus Guard (voice) | 1 |
 Udo Kier | Cast | Actor | Bert (voice) | 1 |
 Victor Brandt | Cast | Actor | Rupert Thorne (voice) | 1 |
 Wallace Langham | Cast | Actor | Karl / Clayface II (voice( | 1 |
 Will Friedle | Cast | Actor | Gearhead (voice) | 1 |
 Xander Berkeley | Cast | Actor | Paul (voice) | 1 |
 Zachary Throne | Cast | Anchor / Doctor (voice) | 1 | |
 Gwendoline Yeo | Cast | Actress | Mercy (voice) | 2 |
 Jack De Sena | Cast | Actor | Jimmy Olsen (voice) | 1 |
Piera Coppola | Cast | Poison Ivy (voice) | 3 | |
 Rachael MacFarlane | Cast | Actress | Blaise (voice) | 1 |
 Zack Shada | Cast | Actor | Boy (voice) | 1 |
 Lex Lang | Cast | Actor | Tech 2 (voice) | 1 |
Monica Richardson | Cast | Harriet (voice) | 1 | |
 Sean Donnellan | Cast | Actor | Mr. Herbert (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
