Altair of the Hyperbolic Plane -Beltrami Pseudosphere-

Mamoru Miyano

Rintaro Okabe (voice)

Sayuri Yahagi

Maho Hiyaio (voice)

Asami Imai

Kurisu Makise (voice)

Kana Hanazawa

Mayuri Shiina (voice)

Tomokazu Seki

Itaru Hashida (voice)

Yukari Tamura

Suzuha Amane / Yuki Amane (voice)

Haruko Momoi

Akiha Rumiho, Faris Nyan-Nyan (voice)

Yu Kobayashi

Luka Urushibara (voice)

Megumi Han

Kagari Shiina (voice)

Yoji Ueda

Alexis Leskinen (voice)

Hina Kino

Kaede Kurushima (voice)

Mariko Honda

Katsumi Nakase (voice)

Masaki Terasoma

Yugo Tennouji (voice)

Saori Goto

Moeka Kiryuu (voice)

Ayano Yamamoto

Nae Tennouji (voice)