Ryutaro is a spy employed by the shogun Tokugawa Iemitsu, who is the target of assassination attempts that aim to hand power over to his younger brother Tadanaga.
| Actor | Role |
|---|---|
 Hiroshi OgasawaraTone Ryutaro | Tone Ryutaro |
 Akemi TsukushiShino | Shino |
 Tetsuro TambaKurozumi Tenzen | Kurozumi Tenzen |
| KKonomi FujiOfuji | Ofuji |
| SSachiko TôyamaOnobu | Onobu |
 Yōichi NumataShôgun Iemitsu | Shôgun Iemitsu |
 Masao MishimaKagiya Jinbee | Kagiya Jinbee |
 Unpei YokoyamaTokubei | Tokubei |
| KKōtarō SugieYoshichi | Yoshichi |
 Ureo EgawaKawamura Utsubo | Kawamura Utsubo |
 Shuntarō EmiKôzukenosuke Honda | Kôzukenosuke Honda |
| HHiroshi AyukawaTomekichi | Tomekichi |
| SSōzaburō KikuchiNot listed | Not listed |
| MMasao TakamatsuIi Kamon-no-Kami | Ii Kamon-no-Kami |
| YYōji MisakiToemon | Toemon |