Guest Stars Zehra Fazal voices Violet Harper / Halo Troy Baker voices Brion Markov / Geo Force Grey DeLisle Griffin voices Helga Jace Crispin Freeman voices Will Harper / Red Arrow Lacey Chabert voices Zatanna Zatara Crispin Freeman voices Roy Harper / Arsenal Khary Payton voices Brick Crispin Freeman voices Jim Harper / Guardian Kevin Michael Richardson voices Nabu Kevin Michael Richardson voices Daddy Lidz Kevin Michael Richardson voices Floyd Nolan North voices Zatara Troy Baker voices Hoody Boy Troy Baker voices Henry Fyff Khary Payton voices Leroy