Investigation Division 1 (2022) featured a cast of 10 tracked actors. Of these, 10 (100%) are still alive today. The oldest surviving cast member is Takashi Naito, age 71. This TV series starred Eiichiro Funakoshi and Momiji Yamamura.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast10 members
| Person | Character | Status | DOB | Age | DOD | Age in 2022 |
|---|---|---|---|---|---|---|
 Eiichiro Funakoshi Funakoshi Keiichiro | Funakoshi Keiichiro | Living | 21/07/1961 | 65 | — | 61 |
 Momiji Yamamura Yamamura Kaede | Yamamura Kaede | Living | 27/10/1960 | 65 | — | 62 |
 Masahiko Nishimura Nishimura Masao | Nishimura Masao | Living | 12/12/1960 | 65 | — | 62 |
 Reiko Takashima Takashima Seiko | Takashima Seiko | Living | 25/07/1964 | 62 | — | 58 |
 Yūko Natori Natori Yu | Natori Yu | Living | 18/08/1957 | 69 | — | 65 |
 Takashi Naito Naito Masashi | Naito Masashi | Living | 27/05/1955 | 71 | — | 67 |
 Ryusei Fujii Fujii Ryu | Fujii Ryu | Living | 18/08/1993 | 33 | — | 29 |
 Eri Tokunaga Tokunaga Rie | Tokunaga Rie | Living | 09/05/1988 | 38 | — | 34 |
 Shingo Yanagisawa Yanagizawa Shinzo | Yanagizawa Shinzo | Living | 06/03/1962 | 64 | — | 60 |
 Hinako Kitano Kitano Minako | Kitano Minako | Living | 17/07/1996 | 30 | — | 26 |