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