Guest Stars Zehra Fazal voices Violet Harper / Halo Troy Baker voices Brion Markov / Geo Force Grey DeLisle Griffin voices Helga Jace David Kaye voices Vandal Savage Jason Spisak voices Forager / Fred Bugg Mark Rolston voices Lex Luthor Zehra Fazal voices Cassandra Savage Dee Bradley Baker voices Desaad Dee Bradley Baker voices Kalibak Jenifer Lewis voices Olympia Savage David Kaye voices Steve Lombard Michael Leon Wooley voices Darkseid