Taiyo Sugiura

Musashi Haruno / Ultraman Cosmos

Miho Kaneko

Mari Kawase

Masatoshi Matsuo

Alien Gyashi Jin

Mai Saito

Alien Gyashi Shau

Shingo Kazami

Kido

Risa Saito

Hyuga

Nobuyuki Kase

Kanou

Koji Nakamura

Makabe

Yasufumi Hayashi

Tsutomu Sasaki

Ryou Nitta

Shoji

Rowena Ogo

Rita

Sanae Natsukawa

Boys and Girls of Blue Area 1

Tomo Miura

Boys and Girls of Blue Area 2

Yoshinobu Noda

Boys and Girls of Blue Area 3

Taku Toyama

Boys and Girls of Blue Area 4

Yuki Oruyi

Boys and Girls of Blue Area 5

Naoki Tanoue

Boys and Girls of Blue Area 6

Junya Yamamoto

Boys and Girls of Blue Area 7

Yūsuke Takada

Boys and Girls of Blue Area 8

Kanj Kubo

Boy from Kitakyushu

Aya Sugimoto

Reporter

Daisuke Shima

Harumitsu Hiura

Kaori Sakagami

Shinobu Mizuki

Hidekazu Ichinose

Keisuke Fubuki

Koichi Sudo

Koji Doigaki

Mayuka Suzuki

Ayano Morimoto

Ryô Kinomoto

Kinozaki

Mio Takaki

Akagi

Akitoshi Ohtaki

Hijikata

Kyūsaku Shimada

Inugai

Hidekazu Akai

Yujiro Haruno

Tetsu Inada

Ultraman Cosmos (voice)

Osamu Ryuutani

Ultraman Justice (voice)

Rina Mogami

Shirubyi (voice)

Daisuke Gori

Sandros (voice)

Yuka Koyama

Female Operator (voice)

Koji Ishizaka

Narration (voice)