Guest Stars Corey Burton voices Brainiac René Auberjonois voices Desaad Michael Dorn voices Kalibak Ron Perlman voices Orion Michael Ironside voices Darkseid Mitchell Ryan voices Highfather Rob Paulsen voices Lightray Credit Only Tara Strong voices Sera Uncredited Corey Burton voices Forager René Auberjonois voices Steppenwolf René Auberjonois voices Minion Rob Paulsen voices Helmsman