Co Starring Brian George voices Appa Ali Apsa Tom Kenny voices Zilius Zox Jennifer Hale voices Carol Jonathan Adams voices Atrocitus Susan Blakeslee voices Sayd Phil Morris voices St. Walker Juliet Landau voices Drusa Uncredited Jennifer Hale voices Princess Gi'ata Kevin Michael Richardson voices Mogo Tom Kenny voices Salaak Grey DeLisle Griffin voices Queen Aga'po