| Izumi Sakuragi is a new police sergeant with the Special Investigations Office, which was set up within the Metropolitan Police in November last year. The new investigation team uses DNA analysis and the latest in forensics science to investigate cold cases as well as cases suspected to involve missing persons. |
| Name | Character | Episodes |
|---|---|---|
| Tetta Sugimoto | Takumi Kurata | 22 |
| Takeo Nakahara | Shintaro Shiraishi | 22 |
| Tsubasa Honda | Yui Odagiri | 21 |
| Eita Okuno | Yosuke Usami | 21 |
| Ikki Sawamura | Norito Izawa | 21 |
| Akira Emoto | Sosuke Kagami | 11 |
| Hiroyuki Miyasako | Keigo Tsukamoto | 11 |
| Tokio Emoto | Hikotaro Minami | 10 |
| Tomoya Nakamura | Tomohiro Kawashima | 3 |
| Aki Maeda | Kaori Fujii | 2 |
| Satoru Matsuo | 諏訪 樹生 | 1 |
| Takehiro Hira | Tomoki Sawada | 1 |
| Reika Kirishima | Minako Udou | 1 |
| Yoshinori Okada | Takanori Araki | 1 |
| Koh Takasugi | Seiji Maeshima | 1 |
| Mai Kiryu | 佐藤 奈々 | 1 |
| Shinya Niiro | 岸本 修一郎 | 1 |
| Shigemitsu Ogi | Toshiya Shoji | 1 |