Akiji Kobayashi

Captain Toshio Muramatsu

Susumu Kurobe

Shin Hayata

Sandayuu Dokumamushi

Daisuke Arashi

Masaya Nihei

Mitsuhiro Ide

Hiroko Sakurai

Akiko Fuji

Bin Furuya

Ultraman

Hikaru Urano

Narrator (voice)

Yasumi Hara

Owner of the Pipe

Yoshiyuki Fukuda

Dr. Fukuyama

Teruo Aragaki

Gavadon / Jamila / Red King

Kunio Suzuki

Telesdon / Seabozu

Eichi Matsushima

Skydon

Shojiki Hishiki

Alien Baltan II