Ryu (Akira Kobayashi) sets foot on the Yokohama port with a suitcase filled with 300 thousand dollars. He was sent by a jewelry company in Hong Kong to retrieve a certain diamond that was stolen from them. The "Himalayan Star" is worth couple hundred million yen and unbeknown to Ryu, it now lays in the hands of Aizu (Jo Shishido), the infamous ”Pirate of the Tokyo Bay."
| Actor | Role |
|---|---|
 Akira KobayashiRyu | Ryu |
 Yukiyo ToakeNami | Nami |
 Keiko YumiRie | Rie |
 Chieko MatsubaraHonran | Honran |
 Eiji GōNot listed | Not listed |
 Masahiko TanimuraNot listed | Not listed |
| TToyoko TakechiNot listed | Not listed |
 Asao SanoNot listed | Not listed |
| TToshinosuke NagaoNot listed | Not listed |
| SShuntaro TamamuraNot listed | Not listed |
 Shirō YanaseNot listed | Not listed |
| HHiroshi ChōNot listed | Not listed |
| MMasuo KinugasaNot listed | Not listed |
 Yuzo KiuraNot listed | Not listed |
 Joe ShishidoAizu | Aizu |
 Yuji OdakaNot listed | Not listed |