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

Sumiko Kaji

Takashi Hiramoto

Tetsuo Nozawa

Hiroshi Yagyu

Tomo Shibata

島村竜子

Yuriko Anjo

Gōzō Sōma

Shirō Ōki

Sachiko Nishida