Mamoru Miyano as Haruo Sakaki (voice)

Takahiro Sakurai as Metphies (voice)

Kana Hanazawa as Yuko Tani (voice)

Tomokazu Sugita as Martin Lazzari (voice)

Yuki Kaji as Adam Bindewald (voice)

Junichi Suwabe as Mulu-Elu Galu-Gu (voice)

Daisuke Ono as Eliott Leland (voice)

Kenta Miyake as Rilu-Elu Belu-be (voice)

Kenyu Horiuchi as Unberto Mori (voice)

Kazuya Nakai as Halu-Elu Dolu-do (voice)

Kazuhiro Yamaji as Endurph (voice)

Kanehira Yamamoto as Takeshi J. Hamamoto (voice)

Shinya Takahashi as Jack O'Sullivan (voice)

Tomisaburo Horikoshi as Daichi Tani (voice)

Jun'ichi Yanagita as Marco Ghione (voice)

Haruki Ishiya as Josh Emerson (voice)

Shigeyuki Susaki as Benjamin Smith (voice)

Nana Hamasaki as Female Reporter (voice)

Masayoshi Sugawara as Male Reporter (voice)

Takaaki Uchino as Male Newscaster (voice)

Naoko Komatsu as Controller (voice)

Aya Suzaki as Controller / Young Haruo (voice)

Riki Kagami as Old Person (voice)

Masumi Taira as Old Person (voice)

Michiko Kaiden as Landing Ship Pilot (voice)

Haruka Watanabe as Landing Ship Pilot (voice)

Daiki Hamano as Hover Pilot (voice)

Ari Ozawa as Miana (voice)