A mysterious black marble tablet is found in Syrian desert by an Arab terrorist after an attack on a UN scientific expedition.
| Actor | Role |
|---|---|
 Franco NeroAndrea | Andrea |
 Ben GazzaraGregorio Kos | Gregorio Kos |
 Valérie KapriskyMarie | Marie |
 Randi IngermanLou Kos | Lou Kos |
 François MontagutFrançois Montagut | François Montagut |
 Caterina DeregibusMayda | Mayda |
 Fabio Grossiil Biondo | il Biondo |
 Alessandro SperdutiPaolo | Paolo |