| Name | Character | Episodes |
|---|---|---|
| Takayuki Yamada | Toru Muranishi | 16 |
| Misato Morita | Megumi Sahara (Kaoru Kuroki) | 16 |
| Sairi Ito | Junko Koseda | 10 |
| Tokio Emoto | Kôsuke Mitamura | 10 |
| Jun Kunimura | Iori Furuya | 10 |
| Ami Tomite | Naoko Yamamoto | 8 |
| Nuno Uraji | Midori Azumi | 8 |
| Yuri Tsunematsu | Miyuki Chiba (Mariko Nogi) | 6 |
| Kimiko Yo | Kozue Muranishi | 3 |
| Koyuki | Kayo | 2 |
| Ryo Ishibashi | Ikezawa | 2 |
| Dahlia Salem | Kayo (voice) | 2 |
| Lily Franky | Takei | 2 |
| Hyunri | Ikezawa's Secretary | 2 |
| Rie Miyazawa | Etsuko Takamiya | 2 |
| Kotaro Yoshida | Nakai | 1 |
| Akaji Maro | 1 | |
| Kiyohiko Shibukawa | 1 | |
| Kentez Asaka | Detective | 1 |