A couple died in Lake Tazawa in Akita Prefecture, in an apparent double suicide, the circumstances of which were unclear.
| Actor | Role |
|---|---|
 Kinya KitaojiShohei Kazama | Shohei Kazama |
 Haruka SugataYoriko Fujita | Yoriko Fujita |
 Takeo NakaharaMasao Fujita | Masao Fujita |
 Jun EtohDetective Okubo | Detective Okubo |
 Masayuki SuzukiDetective Sergeant Kawamura | Detective Sergeant Kawamura |
| RRyo NatsuharaDetective Uesugi | Detective Uesugi |
 Kanae KatsunoEmi Murasato | Emi Murasato |
| UUsaburo OshimaDetective Takakura | Detective Takakura |
| TTaibun TozawaNot listed | Not listed |
 Ryoichi KusanagiHiroshi Yokozawa | Hiroshi Yokozawa |
 Mansaku FuwaDetective Sergeant Kitabatake | Detective Sergeant Kitabatake |
 Hatsuo YamayaWasuke Sato | Wasuke Sato |
 Gōzō SōmaNot listed | Not listed |
 Yutaka NanjōKonno | Konno |
 Takashi TsumuraTomiji Fujiki | Tomiji Fujiki |
 Jin NakayamaDeputy Chief Hosokawa | Deputy Chief Hosokawa |
 Saburo IshikuraChoji Murasato | Choji Murasato |
 Hideko HaraYukie Sato | Yukie Sato |