 Cyd CharisseShelley North | Shelley North |
 Hugh O'BrianDick Sherman | Dick Sherman |
 Mario FelicianiNot listed | Not listed |
 Alberto ClosasInspector Baudi | Inspector Baudi |
 Juliette MaynielLorena Borelli | Lorena Borelli |
 Philippe LemaireNot listed | Not listed |
 Gina RovereNot listed | Not listed |
 Beni DeusNot listed | Not listed |
 Manuel AlexandreNot listed | Not listed |
| GGianni BaghinoNot listed | Not listed |
 Franco GiacobiniNot listed | Not listed |
 Alberto DalbésNot listed | Not listed |
 Carlos CasaravillaNot listed | Not listed |
 Memmo CarotenutoNot listed | Not listed |
 Eleonora Rossi DragoNot listed | Not listed |
| AAugusto BrennaAirport Spectator (uncredited) | Airport Spectator (uncredited) |
 Angelo CasadeiPoliceman (uncredited) | Policeman (uncredited) |
 Iolanda FortiniCrime Scene Spectator (uncredited) | Crime Scene Spectator (uncredited) |
| RRichard KidwellEddie (uncredited) | Eddie (uncredited) |
 Alba MaioliniCrime Scene Spectator (uncredited) | Crime Scene Spectator (uncredited) |
 Giuseppe MarroccoAirport spectator (uncredited) | Airport spectator (uncredited) |
 Romano MilaniMan Giving Information to Dick (uncredited) | Man Giving Information to Dick (uncredited) |
 Alessandro TedeschiParty guest (uncredited) | Party guest (uncredited) |