 Tetsuro TambaDetective Eitaro Imanishi | Detective Eitaro Imanishi |
 Gō KatōEiro Waga | Eiro Waga |
 Kensaku MoritaDetective Hiroshi Yoshimura | Detective Hiroshi Yoshimura |
 Yoko ShimadaReiko Takagi | Reiko Takagi |
 Karin YamaguchiSachiko Tadakoro | Sachiko Tadakoro |
 Shin SaburiEx-Finance Minister, Shigeki Tadokoro | Ex-Finance Minister, Shigeki Tadokoro |
 Yoshi KatōChiyokichi Motoura | Chiyokichi Motoura |
 Kazuhide HarutaHideo Motoura | Hideo Motoura |
 Ken OgataKenichi Miki | Kenichi Miki |
 Seiji MatsuyamaShokichi Miki | Shokichi Miki |
 Taketoshi NaitōSearch Section Chief | Search Section Chief |
 Chishū RyūKojuro Kirihara | Kojuro Kirihara |
 Masumi HarukawaNaka Sumie | Naka Sumie |
 Yoshio InabaSearch Chief Clerk | Search Chief Clerk |
 Tokue HanazawaMiki's Colleague in Flashback | Miki's Colleague in Flashback |
 Kinzō ShinLinguistics Professor Kuwabara | Linguistics Professor Kuwabara |
| KKappei MatsumotoMimori Police Chief | Mimori Police Chief |
 Jun HamamuraPatrolman | Patrolman |
 Takanobu HozumiMatsuzaki | Matsuzaki |
 Hatsuo YamayaIwagi Police Chief | Iwagi Police Chief |
 Kin SugaiYamashita | Yamashita |
 Akiko NomuraOld Woman at Wakaba Apartment | Old Woman at Wakaba Apartment |
| KKazuko ImaiKenichi Miki's Wife | Kenichi Miki's Wife |
| MMitsuyo InomataWaitress at Bar Ron | Waitress at Bar Ron |
 Yokichi GotouTsutsui | Tsutsui |
| AAkira SeraFan Shop Owner | Fan Shop Owner |
 Akira KuboPatrolman at Setagaya | Patrolman at Setagaya |
| KKeiji TsuchidaWest Kamata Chief Detective | West Kamata Chief Detective |
 Kibaji TankoboWest Kamata Detective | West Kamata Detective |
| MMitsuru YamazakiWest Kamata Detective | West Kamata Detective |
