A blind professor masterminds the theft of treasure from St. Peter's Basilica in Rome.
| Actor | Role |
|---|---|
 Klaus KinskiClint Rogers | Clint Rogers |
 Walter PidgeonHerbert Cummings | Herbert Cummings |
 Ira von FürstenbergPamela Scott | Pamela Scott |
 Marino MaséRichard | Richard |
 Corrado OlmiLentini | Lentini |
 Tino CarraroIl maggiordomo | Il maggiordomo |
 Guido AlbertiIl cardinale Masoli | Il cardinale Masoli |
 Giovanni Ivan ScratugliaNot listed | Not listed |
 Roberto MalderaNot listed | Not listed |