Chiyoko Kawashima as Kei Yuki / Mayu Ooyama (voice)

Akira Kamiya as Tadashi Daiba (voice)

Noriko Ohara as Miime / St. Giovanna Headmistress (voice)

Makio Inoue as Captain Harlock (voice)

Hiroshi Ôtake as Yattaran (voice)

Akiko Tsuboi as Witch Aman (voice)

Hidekatsu Shibata as Mitsuru Kiruda / Narrator (voice)

Joji Yanami as Dr. Zero / Prime Minister (voice)

Kenichi Ogata as Chief Engineer Maji (voice)

Noriko Tsukase as Masu Tsunajima (voice)

Kazuhiko Inoue as

Banjo Ginga as