Peter Weller
Bruce Wayne / Batman (voice)
Acting
Ariel Winter
Carrie Kelley / Robin (voice)
Acting
David Selby
Commissioner James Gordon (voice)
Acting
Wade Williams
Harvey Dent / Two-Face (voice)
Acting
Michael Emerson
Joker (voice)
Acting
Dee Bradley Baker
Don / Fat Mutant / Additional Voices (voice)
Acting
Maria Canals-Barrera
Commissioner Ellen Yindel (voice)
Acting
Paget Brewster
Lana Lang (voice)
Acting
Richard Doyle
The Mayor (voice)
Acting
Michael Jackson
Alfred Pennyworth (voice)
Acting
Yuri Lowenthal
The Son of Batman / Rookie Police Officer (voice)
Acting
Michael McKean
Dr. Bartholomew Wolper (voice)
Acting
James Patrick Stuart
Murray / Radio Voice (voice)
Acting
James Arnold Taylor
Mr. Hudson / Spud (voice)
Acting
Bruce Timm
Thomas Wayne / Hydrant Fireman (voice)
Production
Frank Welker
Mayor Stevenson / Weather Man (voice)
Acting
Gary Anthony Williams
Mutant Leader / Anchor Bill (voice)
Acting
Rob Paulsen
Jeff Adams (voice)
Acting
Mark Valley
Clark Kent / Superman (voice)
Acting
Robin Atkin Downes
Oliver Queen (voice)
Acting
Tress MacNeille
Selina Kyle / Bruno / Old Woman(voice)
Acting
Jim Meskimen
President Ronald Reagan (voice)
Acting
Conan O'Brien
David Endochrine (voice)
Acting
Andy Richter
Frank (voice, uncredited)
Acting
Grey DeLisle
Anchor Carla / Female Mutant (voice)
Acting
Gary Anthony Sturgis
Silk / Other Spike / Young Mutant (voice)
Acting
Carlos Alazraqui
Hernando / TV Host (voice)
Acting
Cathy Cavadini
Joanie / Woman with Hot Dog (voice)
Acting
Greg Eagles
Mackie / Ben Derrick (voice)
Acting
Townsend Coleman
Morrie / Civilian (voice)
Acting
Maurice LaMarche
Dr. Willing / News Anchor (voice)
Acting
Sam McMurray
Anchor Ted (voice)
Acting
Tara Strong
Young Bruce Wayne / Additional Voices (voice)
Acting
Andrea Romano
Woman / Police Dispatch / Woman #2 (voice)
Production
Gwendoline Yeo
Lola Chong (voice)
Acting
Manny Jacobs
Merkel (voice)
Acting
Jim Wise
Femur (voice)
Acting
Lex Lang
Rescued Man (voice)
Acting
Jason Charles Miller
Axe Fireman (voice)
Acting