Peter Weller Batman / Bruce Wayne (voice)
Frank Welker Mayor Stevenson (voice)
Michael Emerson Joker (voice)
Andy Richter Frank (voice, uncredited)
Grey DeLisle Anchor Carla (voice)
Dee Bradley Baker Don (voice)
Bob Kane Characters
Ariel Winter Robin / Carrie Kelley (voice)
Robin Atkin Downes Oliver Queen (voice)
Conan O'Brien David Endocrine (voice)
Maria Canals-Barrera Ellen Yindel (voice)
Yuri Lowenthal Son of Batman (voice)
Gary Anthony Williams Anchor Bill (voice)
Tress MacNeille Selina Kyle / Bruno / Old Woman (voice)
Mark Valley Clark Kent / Superman (voice)
Bruce Timm Hydrant Fireman (voice), Executive Producer
Townsend Coleman Morrie (voice)
Frank Miller Graphic Novel
David Selby Commissioner Gordon (voice)
Michael McKean Bartholomew Wolper (voice)
Paget Brewster Lana Lang (voice)
Jay Oliva Director
Danny Jacobs Merkel (voice)
Lex Lang Rescued Man (voice)
Sam Register Executive Producer
James Patrick Stuart Murray / Radio Voice (voice)
Michael Uslan Executive Producer
Benjamin Melniker Executive Producer
Klaus Janson Graphic Novel
Alan Burnett Co-Producer
Gwendoline Yeo Lola Chong (voice)
Meredith Layne Casting Director
Christopher D. Lozinski Editor
Greg Eagles Ben Derrick (voice)
Bob Goodman Writer
Andrea Romano Woman #2 (voice)
Matthew Humphreys Character Designer
Matthew Girardi Visual Effects
Michael Jackson Alfred Pennyworth (voice)
Christopher Drake Original Music Composer
Jason Charles Miller Axe Fireman (voice)
Robert Hargreaves Sound Designer