Showtaro Morikubo as Yu Ominae (voice)

Ken Shiroyama as Dr. Meisel (voice)

Takehito Koyasu as Jean Jacquemonde (voice)

Katsumi Suzuki as Little Boy (voice)

Sakiko Tamagawa as Margaret (voice)

Kinryu Arimoto as Yamamoto (voice)

Ryuji Aigase as Colonel McDougal (voice)

Kenji Takano as Fat Man (voice)

Hiroshi Matsumoto as Manager (voice)

Ikumi Kimura as Stewardess (voice)

Kenichi Sakaguchi as N.C.O (voice)

Masaaki Yajima as Narrator (voice)

Masaki Aizawa as Excavation Research Agent (voice)

Masashi Muta as COSMOS Yu (voice)

Takashi Yoshida as Announcer (voice)

Naoki Makishima as Tanaka (voice)

Yoshito Ishinami as General (voice)

Cho as Aide-de-camp (voice)

Hiroyuki Oshita as Guard B (voice)

Katsuhisa Houki as Turkish Agent A (voice)

Shin Goto as Turkish Agent B (voice)

Yuu Yamazaki as Classmate A (voice)

Takayasu Usui as Classmate B (voice)

Aya Sugawara as (voice)

Chiho Ohkawa as (voice)

Hizuru Kurita as (voice)

Shizuka Aoki as (voice)

Umi Tenjin as (voice)

Masayuki Nakata as Guard A (voice)