Guest Stars Zehra Fazal voices Violet Harper / Halo Troy Baker voices Brion Markov / Geo Force Jason Spisak voices Forager / Fred Bugg Mark Rolston voices Lex Luthor Tara Strong voices Tara Markov / Terra Crispin Freeman voices Gregor Markov Crispin Freeman voices Will Harper / Red Arrow Nolan North voices Frederick DeLamb / Baron Bedlam Lacey Chabert voices Zatanna Zatara Zehra Fazal voices Lian Nguyen-Harper Denise Boutte voices Raquel Ervin / Rocket Phil LaMarr voices Metron Troy Baker voices Tod Donner Crispin Freeman voices Jim Harper / Guardian Phil LaMarr voices Dubbilex / Dabney Donovan