Tetsuro Tamba

Detective Eitaro Imanishi

Gō Katō

Eiro Waga

Kensaku Morita

Detective Hiroshi Yoshimura

Yoko Shimada

Reiko Takagi

Karin Yamaguchi

Sachiko Tadakoro

Shin Saburi

Ex-Finance Minister, Shigeki Tadokoro

Yoshi Katō

Chiyokichi Motoura

Ken Ogata

Kenichi Miki

Seiji Matsuyama

Shokichi Miki

Taketoshi Naitō

Search Section Chief

Chishū Ryū

Kojuro Kirihara

Masumi Harukawa

Naka Sumie

Yoshio Inaba

Search Chief Clerk

Tokue Hanazawa

Miki's Colleague in Flashback

Kinzō Shin

Linguistics Professor Kuwabara

Takanobu Hozumi

Matsuzaki

Hatsuo Yamaya

Iwagi Police Chief

Kin Sugai

Yamashita

Yokichi Gotou

Tsutsui

Akira Kubo

Patrolman at Setagaya

Kibaji Tankobo

West Kamata Detective

Ryōko Mizuki

Kiyoshi Atsumi

Movie Theater Manager

Taiji Tonoyama

Publican at Ebisu

Nobuo Takagi

Ryōko Mizuki

Farmer at Kamedake

Eiko Muramatsu

Mama at Ginza Club (uncredited)