A treasure sinks into the sea with the body of Charles Van Eyck, killed during a fight on a yacht by one of the sailors.
| Actor | Role |
|---|---|
 Franco FabriziCharles Van Eyck | Charles Van Eyck |
 Massimo GirottiFriend of Charles | Friend of Charles |
 Emilio Gutiérrez CabaSanti | Santi |
| RRicardo G. LillóNot listed | Not listed |
 Espartaco SantoniDaniel | Daniel |
 Teresa VelázquezCristina | Cristina |