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)

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)