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