香取愼吾

Soichiro Kanzaki

Miki Sakai

Noriko Kinoshita

鈴木杏

Misaki Kinoshita

遠藤雄弥

Yusuke Sakamoto

Kyôtaro Shimizu

Hidetaka Ono

Yuki

Toshiya Matsuoka

高橋克実

Yusuke's Father

麻木久仁子

Yusuke's Mother

桜金造

松尾貴史

Misawa

Megumi Hayashibara

Female Researcher / Voice of Tetra

角替和枝

Snack Shop Lady

Kenji Motomiya

Man

Adam Chrny

Agent B

緒川たまき

Misaki Kinoshita, 20 years later

武野功雄

Byoid (voice)

Jerald K. Torferson

Agent A

吉岡秀隆

Yusuke Sakamoto, 20 years later

高杉亘

Toshiya Matsuoka, 20 years later

川平慈英

Hidetaka Ono, 20 years later