A Mafia boss is enraged when he is suspected of smuggling a heroin shipment into San Francisco. He dispatches his nephew, a hotshot Anglo-Sicilian lawyer, to identify the real culprit. The lawyer also enlists the aid of his best friend, a grand prix driver with an adventurous streak.
| Actor | Role |
|---|---|
 Roger MooreUlisse | Ulisse |
 Stacy KeachCharlie Hanson | Charlie Hanson |
 Fausto TozziLuigi Nicoletta | Luigi Nicoletta |
 Ivo GarraniSalvatore Francesco | Salvatore Francesco |
 Ennio BalboContinenza | Continenza |
 Loretta PersichettiHannah | Hannah |
 Pietro MartellanzaPano | Pano |
 Luigi CasellatoPete | Pete |
 Romano PuppoFortunate | Fortunate |
 Rosemarie LindtSalvatore's girlfriend | Salvatore's girlfriend |
 Aldo RendineNot listed | Not listed |
| EEmilio ValeNot listed | Not listed |
| SSalvatore TorrisiNot listed | Not listed |
 Franco FantasiaPriest | Priest |
 Ettore ManniFather Frank | Father Frank |
 Salvatore BillaKiller in Sicilia | Killer in Sicilia |
 John MyhersFrancis | Francis |
| PPeter PussateriNot listed | Not listed |
 Maurizio StreccioniUomo al meeting mafioso | Uomo al meeting mafioso |
| SSven ValsecchiUlysses as a child | Ulysses as a child |
| SSven ValsecchiUlisse as a child | Ulisse as a child |