Juvenile

Shingo Katori

Soichiro Kanzaki

Miki Sakai

Noriko Kinoshita

Anne Suzuki

Misaki Kinoshita

Yuya Endo

Yusuke Sakamoto

Kyôtaro Shimizu

Hidetaka Ono

Yuki

Toshiya Matsuoka

Katsumi Takahashi

Yusuke's Father

Kuniko Asagi

Yusuke's Mother

Kinzō Sakura

Takashi Matsuo

Misawa

Megumi Hayashibara

Female Researcher / Voice of Tetra

Kazue Tsunogae

Snack Shop Lady

Kenji Motomiya

Man

Adam Chrny

Agent B

Tamaki Ogawa

Misaki Kinoshita, 20 years later

Isao Takeno

Byoid (voice)

Jerald K. Torferson

Agent A

Hidetaka Yoshioka

Yusuke Sakamoto, 20 years later

Koh Takasugi

Toshiya Matsuoka, 20 years later

Jay Kabira

Hidetaka Ono, 20 years later