Sam Liu Director Jason Isaacs Kal-El Voice Amy Acker Lois Lane Voice Diedrich Bader Lex Luthor Voice Paul Williams Brainiac Voice Phil LaMarr John Stewart Voice Roger Craig Smith Batman Voice Sasha Roiz Hal Jordan Voice Travis Willingham Superior Man Voice Winter Ave Zoli Svetlana Voice Phil Morris James Olsen Voice Vanessa Marshall Wonder Woman Voice Jim Meskimen John F. Kennedy Voice William Salyers Joseph Stalin Voice J. M. DeMatteis Screenwriter Sam Register Executive Producer Bruce Timm Executive Producer