Challenge Beneath the Waves

Tatsuo Umemiya

Yoshiko Mita

Naoko Kubo

Yoshi Katō

Kenji Imai

Yukiko Nikaido

Tetsuya Kigawa

Masahiko Naruse

Fumitake Ōmura

Ken Sudo

Akitake Kōno

Tatsuya Kitayama

Akira Kuji

Koji Sahara

Mitsuo Andō