Benjamin Bratt
Superman / Hernan Guerra (voice)
Michael C. Hall
Batman / Kirk Langstrom (voice)
Tamara Taylor
Wonder Woman / Bekka (voice)
Jason Isaacs
Lex Luthor (voice)
C. Thomas Howell
Dr. Will Magnus (voice)
Paget Brewster
Lois Lane (voice)
Kari Wahlgren
Karen Beecher / Livewire (voice)
Grey DeLisle
Tina / Platinum (voice)
Larry Cedar
Pete Ross (voice)
Eric Bauza
Ryan Choi / Stephen Shin (voice)
Penny Johnson Jerald
President Waller (voice)
Dee Bradley Baker
Ray Palmer / Tin (voice)
Richard Chamberlain
Highfather (voice)
Trevor Devall
Emil Hamilton (voice)
Dan Gilvezan
Pat Dugan (voice)
Daniel Hagen
Dr. Sivana (voice)
Josh Keaton
Orion (voice)
Arif S. Kinchen
Michael Holt / Bronze Tiger (voice)
Yuri Lowenthal
Jor-El / Jimmy Olsen (voice)
Carl Lumbly
Silas Stone (voice)
Jim Meskimen
Victor Fries (voice)
Taylor Parks
Victor Stone (voice)
Khary Payton
John Henry Irons / Granny Goodness / Mugger (voice)
Tahmoh Penikett
Steve Trevor (voice)
Andrea Romano
Jean Palmer (voice)
André Sogliuzzo
Cop / Mr. Guerra (voice)
Bruce Thomas
General Zod / Darkseid (voice)
Lauren Tom
Lara Lor-Van (voice)
Marcelo Tubert
Tough Guy (voice)
Bruce Timm
Blockbuster (voice) (uncredited)