Hachi ichi san

南光明

Akira Naruse / Gorô Katayama - Private Detective

Hiroki Hoshino

Taisuke Kurosu, a jeweler

青山万里子

Ayako, Kurosu's second wife

吉田豊作

Kiboku Rin - a mysterious manager

桜庭愛菜

Jun'ichi Norita - a young man

高木枡二郎

Yoshizô - old servant of Akiko

Kyoko Mizuki

A deaf girl

Tsuruko Segawa

Akiko Kitamura, a daughter of Kurosu's former wife

Kayoko Natsume

Maid of a man in black

Kunijirô Fujiwara

Shibayama - Kurosu's secretary

Satoru Shiraishi

Sagara - Katayama's assistant