Eiko Yanami
Woman X / Chikako Sugawara
Acting
Reiko Kasahara
Kiyoko Ishikawa
Acting
Mikiko Tsubouchi
Mrs. Ishikawa
Acting
Kōji Fujiyama
Dr. Tom Wallace
Acting
Isamu Saeki
Dr. Yosuke Ishikawa
Acting
Shin Minatsu
Sea World Staff
Acting
Arlene Zoellner
Margie Wallace
Acting
Gloria Zoellner
Helen Wallace
Acting
Yasushi Sakagami
Keinichi Ishikawa
Acting
Keiichi Noda
Zigra (voice)
Acting