Red Robin [Tim Drake]; Batgirl [Stephanie Brown]; Batman [Dick Grayson]; Robin [Damian Wayne]; Oracle [Barbara Gordon]; Tam Fox; Pru [Prudence]; Vicki Vale; Alfred Pennyworth (cameo); Julie Madison (cameo); Selina Kyle [Catwoman] (cameo); Commissioner James Gordon (cameo); Lucius Fox (cameo); League of Assassins (villains); Ra's al Ghul (villain); Thomas Elliot [Hush; also as Bruce Wayne] (villain); The Seven Men of Death (villains)