Amy Acker Lois Lane (voice)
Tara Strong Young Superman (voice)
Jason Isaacs Superman (voice)
Sasha Roiz Hal Jordan (voice)
Roger Craig Smith Batman (voice)
Winter Ave Zoli Svetlana (voice)
Diedrich Bader Lex Luthor (voice)
Travis Willingham Superior Man / Guy Gardner / Petrovich (voice)
Paul Williams Brainiac (voice)
Phil Morris James Olsen (voice)
Phil LaMarr John Stewart / Ron Troupe / Gulag Guard (voice)
Jim Meskimen John F. Kennedy / Dwight D. Eisenhower (voice)
Jason Spisak Dimitri (voice)
Sam Register Executive Producer
Bruce Timm Executive Producer
Jim Ward George Taylor (voice)
Vanessa Marshall Diana / Wonder Woman (voice)
Jim Krieg Co-Producer
Sam Liu Director, Producer
J. M. DeMatteis Writer
Mark Millar Comic Book
William Salyers Joseph Stalin / Jack Ryder (voice)
Christopher D. Lozinski Editor
Wes Gleason Casting
Greg Chun Ambassador Lee (voice)
Frederik Wiedmann Original Music Composer
Anna Vocino Tour Guide (voice)
Amy McKenna Producer
Melissa Lohman Production Manager
Kilian Plunkett Comic Book