Ariel Winter Robin / Carrie Kelley (voice)
Bruce Timm Thomas Wayne (voice), Executive Producer
Peter Weller Batman / Bruce Wayne (voice)
Tara Strong Michelle / Young Bruce Wayne / Kevin Ridley / Anchor Trish / Additional Voices (voice)
Michael Emerson Joker (voice)
Michael McKean Dr. Bartholomew Wolper (voice)
Frank Welker Mayor Stevenson / Weather Man (voice)
Grey DeLisle Anchor Carla / Female Mutant (voice)
Dee Bradley Baker Don / Fat Mutant / Additional Voices (voice)
Gary Anthony Williams Mutant Leader / Anchor Bill (voice)
Maria Canals-Barrera Yindel (voice)
Carlos Alazraqui Hernando / TV Host (voice)
Wade Williams Harvey Dent / Two-Face (voice)
Alan Burnett Co-Producer
Maurice LaMarche Dr. Willing / News Anchor (voice)
James Patrick Stuart Murray (voice)
Yuri Lowenthal Son of Batman / Rookie Police Officer (voice)
Rob Paulsen Jeff Adams (voice)
Frank Miller Graphic Novel Illustrator, Novel
David Selby James Gordon (voice)
Cathy Cavadini Joanie / Woman with Hot Dog (voice)
James Arnold Taylor Mr. Hudson / Spud / Additional Voices (voice)
Paget Brewster Lana Lang (voice)
Michael Uslan Executive Producer
Richard Doyle The Mayor (voice)
Sam McMurray Anchor Ted (voice)
Jay Oliva Director
Matthew Girardi Visual Effects
Danny Jacobs Merkel (voice)
Sam Register Executive Producer
Andrea Romano Woman / Police Dispatch (voice)
Townsend Coleman Morrie / Civilian (voice)
Benjamin Melniker Executive Producer
Jim Wise Femur (voice)
Meredith Layne Casting Director
Christopher D. Lozinski Editor
Gwendoline Yeo Lola Chong (voice)
Greg Eagles Mackie (voice)
Gary Anthony Sturgis Silk / Other Spike / Young Mutant (voice)
Bob Goodman Screenplay
Paul Bentman Special Effects
Michael Jackson Alfred Pennyworth (voice)
Christopher Drake Original Music Composer
Robert Hargreaves Sound Designer