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