Hayato Tani

Sugii

Rinichi Yamamoto

Detective Nakanishi

Hiroshi Kondō

Manager of Sakaki-Gimi A

Seizaburō Kawazu

Kikukawa

Eijirō Yanagi

Daisaku Ôwada

Michitarō Mizushima

Kôtarô Gondô

Nobuo Kaneko

Head of Department

Akikane Sawa

Takebayashi

Kōji Sekiyama

Okazaki

Toshi Akiyama

Manager of Sakaki-Gumi B

Keiko Kuni

Sumiko