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