Frankie Sakai
Professor Sakai / Mr. Sakai
Hisaya Morishige
Morita Tokunosuke
Junzaburō Ban
Banno Magosaku
Norihei Miki
Mitsui Sanpei
Chikage Awashima
Banno Keiko
Keiko Awaji
Mitsui Fujiko
Junko Ikeuchi
Horiuchi Senko
Mayumi Ozora
Yamamura Yumi (Senko's little sister)
Kyū Sazanka
Mr. Yamamura (Yumi's father/Keiko's uncle)
Eitarō Matsuyama
Mitsui Ichiro (Sanpei's nephew)
Edith Hanson
Miyamoto Mary (Doctor)
Kaori Shima
Banno Midori
Thunder Sugiyama
Student A
Futami Arita
Female Student A
