Mining engineer Shigeru investigates the disappearance and death of his fellow coworkers when prehistoric nymphs are discovered emerging from the mines. After an attack on the local village, Shigeru heads deeper into the mines only to make a more horrifying discovery in the form a prehistoric flying creature. Soon a second monster appears as the two converge in Fukuoka.

Kenji Sahara
Shigeru Kawamura

Yumi Shirakawa
Kiyo

Akihiko Hirata
Professor Kyuichiro Kashiwagi

Minosuke Yamada
Mining Chief Osaki

Yoshibumi Tajima
Izeki
Akio Kobori
Police Chief Nishimura
Mitsuo Tsuda
Staff Officer Takeuchi
Ren Imaizumi
Sunagawa
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Release Date
December 26, 1956
Runtime
1h 12m
Rating
PG-13
Genres
Horror, Science Fiction
Director