日本列島

Jūkichi Uno

Akiyama

Izumi Ashikawa

Kazuko Ishûin

Hideaki Nitani

Harashima

Mizuho Suzuki

Kurosaki

Shosei Muto

Miyakawa

Eiken Shoji

Kawakita

Torauemon Utazawa

Hattori

Hideji Ōtaki

Karasawa

Tsutomu Shimomoto

Superintendent General of the Metropolitan Police

Toshiaki Itō

Samuel's attorney

Toshinosuke Nagao

Yoko Benisawa

Aunt Toyo