This is a list of all the Seiyu in the Japanese Version of Heroic Age.
Hiroshi Yazaki: Age
Yui Ishikawa: Deianeira
Kaori Shimizu: Aneesha
Rie Kugimiya: Mail
Satomi Arai: Bee
Takashi Kondo: Iolaus
Takashi Matsuyama: Mobead
Yukari Tamura: Tail
Ami Koshimizu: Utila Ra
Chihiro Suzuki: Mehitaka Bore
Daisuke Kishio: Meleaguros
Hiroki Yasumoto: Kilis
Hiroshi Okamoto: Takius
Hiroyuki Yoshino: Atlantis
Masayuki Katou: Karkinos Lucan
Miyuki Sawashiro: Rekti Rekuu
Rina Satou: Prome Ou
Saori Seto: Hestia
Shiho Hisajima: Iouda
Susumu Chiba: Rom Rou
Yoshinori Fujita: Paeto Ou
Yukana: Nilval