Tatsuya Shiba

Yūichi Nakamura

Miyuki Shiba

Saori Hayami

Erika Chiba

Yumi Uchiyama

Leonhard Saijou (voice)

Takuma Terashima

Mizuki Shibata

Satomi Satō

Mikihiko Yoshida

Atsushi Tamaru

Mitsui Honoka

Sora Amamiya

Shizuku Kitayama (voice)

Yuiko Tatsumi

Mayumi Saegusa (voice)

Kana Hanazawa

Mari Watanabe (voice)

Marina Inoue

Katsuto Juumonji (voice)

Junichi Suwabe

Angelina Kudou Shields (voice)

Yoko Hikasa

Kokoa / Shia Watatsumi (voice)

Konomi Kohara

Benjamin Canopus (voice)

Jin Yamanoi

Ralph Algol (voice)

Satoshi Hino

Ralph Hardy Mirphak (voice)

Masaki Aizawa

Saburou Date (voice)

Seiichiro Yamashita

Takao Kanemaru (voice)

Yoshito Yasuhara

Harunobu Kazama (voice)

Toru Okawa

Chieri Kurosawa (voice)

Chisa Yuuki

Meiko Morinaga (voice)

Hiroe Oka

Shigeru Sanada (voice)

Tarusuke Shingaki

Nazuna Takeuchi (voice)

Akeno Watanabe

Minamitate Island Commander (voice)

Yasuhiro Mamiya

Researcher (voice)

Daichi Hayashi

Researcher (voice)

Hidenori Takahashi

Researcher (voice)

Itaru Yamamoto

Supervisor (voice)

Masamichi Kitada