スラバヤ殿下

Hisaya Morishige

Kyutaro Nagasogabe/Eiji Nagasogabe

Akiko Shima

Midori Miyama

Ichirō Arishima

Spy Joe

Haruko Mabuchi

Nahoe Minegishi

Nobuo Chiba

Spy Zolkov

Toppa Utsumi

Newspaper Reporter

Norihei Miki

Japanese part-time student who prepares to interpret His Highness Surabaya's words

Toshiyuki Ichimura

Engineer at the Applied Atomic Energy Research Institute

Shuhei Yamada

Prematurely gray-haired man

Masao Mishima

Yuzo Tanigawa

Hisao Jushu

Engineer of the Applied Atomic Energy Research Institute

Shojiro Ogasawara

Bald Man