Detective Onihei better known as "Heizo the Demon" heads a group of skilled officers, however, one of those special officers got himself into a web of betrayal and deceit, and become the very thing Heizo the Demon investigates daily.
| Actor | Role |
|---|---|
 Kichiemon Nakamura IIHasegawa Heizô, aka Onihei | Hasegawa Heizô, aka Onihei |
 Hiroshi KatsunoYusuke Sakai | Yusuke Sakai |
 Toshinori OmiChugo Kimura | Chugo Kimura |
 Yumi TakigawaHisae | Hisae |
 Meiko KajiOmasa | Omasa |
 Keizo KanieKobusa no Kumehachi | Kobusa no Kumehachi |
 Rentaro MikuniChubei | Chubei |
 Koichi MiuraIsanji | Isanji |
 Katsuhiko WatabikiGorozo | Gorozo |