The Kanto Brothers' Code of Honor (関東兄弟仁義 仁侠) is a 1971 film directed by Buichi Saitō. It is the ninth and last film in the Duty of Brotherhood series.
| Actor | Role |
|---|---|
 Saburo KitajimaNot listed | Not listed |
 Gorō IbukiNot listed | Not listed |
 Hiroko SakuramachiNot listed | Not listed |
 Nobuo KanekoNot listed | Not listed |
 Ryōji HayamaNot listed | Not listed |
 Hiroshi NawaNot listed | Not listed |
 Bunta SugawaraNot listed | Not listed |
 Hideo MurataNot listed | Not listed |
| HHiroshi FujiNot listed | Not listed |
 Kyōsuke MachidaNot listed | Not listed |
| MMasao HoriNot listed | Not listed |
 Yasumori HikitaNot listed | Not listed |
| KKojirō KawanamiNot listed | Not listed |
| MMisa TokiNot listed | Not listed |
| KKazuko TakamoriNot listed | Not listed |
| KKazuyo KyomachiNot listed | Not listed |
 Ryūko AzumaNot listed | Not listed |
| SShinobu AkamatsuNot listed | Not listed |
 Michimaro OtabeNot listed | Not listed |
| IIsao TakanamiNot listed | Not listed |