Rino Romano

The Batman (voice)

Ming-Na Wen

Detective Ellen Yin (voice)

Evan Sabara

Robin (voice)

Danielle Judovits

Batgirl (voice)

Alastair Duncan

Alfred Pennyworth

Steve Harris

Clayface (voice)

Edward James Olmos

Chief Rojas (voice)

John DiMaggio

Rhino / Mugsy (voice)

Udo Kier

Bert (voice)

Charles Napier

Kilgore Steed (voice)

Michael Reisz

Donnie / Prank (voice)

Jill Talley

Doctor / Socialite (voice)

Hynden Walch

Harley Quinn (voice)

David Faustino

David (voice)

Robert Englund

The Riddler (voice)

Charlie Schlatter

Flash (voice)

Peter Jessop

Curator (voice)

Kevin Conroy

John Grayson (voice)

Brandon Routh

Everywhere Man (voice)

Dave Foley

Francis (voice)

Joaquim de Almeida

Bane (voice)

Neil Ross

Sprang (voice)

Glenn Shadix

Cluemaster (voice)

Henry Gibson

Bagley (voice)

Jesse Corti

Chief Rojas (voice)

Phil LaMarr

Maximillian Zeus (voice)

Ian Abercrombie

Ewan Fripp (voice)

Gwendoline Yeo

Mercy (voice)

Greg Ellis

Count Vertigo (voice)

Rachael MacFarlane

Blaise (voice)

John Larroquette

Mirror Master (voice)

Gina Gershon

Catwoman (voice)

Piera Coppola

Poison Ivy (voice)

Allison Mack

Clea (voice)

Victor Brandt

Rupert Thorne (voice)

Keone Young

Katsu (voice)

Jennifer Hale

Becky (voice)

Edie McClurg

Mrs. Brown (voice)

Dana Delany

Lois Lane (voice)

Zachary Throne

Anchor / Doctor (voice)

Chris Pratt

Jake (voice)

Dan Castellaneta

Scarface (voice)

Dorian Harewood

Martian Manhunter (voice)

Maurice LaMarche

Bruiser (voice)

Xander Berkeley

Paul (voice)

Amanda Anka

Smoke (voice)

Michael Bell

Crime Boss #2 (voice)

Chris Hardwick

Green Arrow (voice)

Richard Green

Hugo Strange (voice)

Bob Gunton

Gorman (voice)

Christopher Gorham

William Mallery / Wrath (voice)

Louis Gossett Jr.

Lucius Fox (voice)

Ron Perlman

Killer Croc (voice)

Dermot Mulroney

Green Lantern (voice)

Brooke Shields

Julie (voice)

Daryl Sabara

Harris (voice)

Miguel Ferrer

Sinestro (voice)

James Remar

Black Mask (voice)

George Newbern

Superman (voice)

Kathryn Fiore

Sally Galt (voice)

Daran Norris

Brent (voice)

Kath Soucie

Mel (voice)

Michael Massee

Spellbinder (voice)

Patton Oswalt

Marty Slack (voice)

Wallace Langham

Karl / Clayface II (voice(

André Sogliuzzo

Duncan (voice)

Fred Willard

Announcer / Instructor (voice)

Jane Singer

Director / Waitress (voice)

Julianne Grossman

Lady / Reporter (voice)

Jeff Bennett

Ragdoll (voice)

Kevin Grevioux

Solomon Grundy (voice)

Billie Hayes

Virginia / Georgia (voice)

Miguel Sandoval

Thug #1 (voice)

Cathy Cavadini

Wife / Movie Star / Reporter (voice)

Joe Lala

Crime Boss #1 / Crime Boss #3 (voice)

Diedrich Bader

Number 1 (voice)

Tom Kenny

The Penguin (voice)

Frank Gorshin

Professor Hugo Strange (voice)

Jim Cummings

Temblor (voice)

Will Friedle

Gearhead (voice)

Adam West

Mayor Grange (voice)

Clancy Brown

Mr. Freeze (voice)

Grey DeLisle

Amanda / Ms. Vintrap (voice)

Jack De Sena

Jimmy Olsen (voice)

Jason Marsden

Firefly (voice)

Jerry O'Connell

Nightwing (voice)

Jim Meskimen

Chuck (voice)

Jim Wise

Detective (voice)

John Mariano

Number 1 (voice)

Kevin Michael Richardson

The Joker (voice)

Lex Lang

Riddleman #1 (voice)

Mark Hamill

Zucco (voice)

Mitch Pileggi

Commissioner Gordon (voice)

Patrick Warburton

Cash Tankenson (voice)

Peter MacNicol

Langstrom (voice)

Rob Paulsen

Kid (voice)

Robert Clotworthy

Warden (voice)

Robert David Hall

Pilot (voice)

Robert Patrick

Hawkman (voice)

Roger Rose

Worker #2 (voice)

Townsend Coleman

Campus Guard (voice)

Zack Shada

Boy (voice)