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