Masako Nozawa as Tetsurô Hoshino (voice)

Masako Ikeda as Maetel (voice)

Yoko Asagami as Claire (voice)

Miyoko Asô as Tochirô's Mother (voice)

Toshiko Fujita as Shadow (voice)

Yasuo Hisamatsu as Antares (voice)

Makio Inoue as Captain Harlock

Tatsuya Jo as Narrator (voice)

Ryoko Kinomiya as Queen Promethium

Kaneta Kimotsuki as Conductor (voice)

Gorō Naya as Doctor Ban (voice)

Noriko Ohara as Ryûzu / Mîmé (voice)

Banjo Ginga as Captain of the Guard (voice)

Kei Tomiyama as Tochirô Ôyama (voice)

Reiko Tajima as Emeraldas (voice)

Hidekatsu Shibata as Count Mecha (voice)

Akiko Tsuboi as Kanae Hoshino (Tetsurô's mother) (voice)

Ryūji Saikachi as Tavern Owner (voice)