Casts
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)
Masaaki Yajima
as Narrator (voice)
Masaki Aizawa
as Excavation Research Agent (voice)
Takashi Yoshida
as Announcer (voice)
Naoki Makishima
as Tanaka (voice)
