 Ken ClarkDick Hallam | Dick Hallam |
 Irina DemickSylvie Meynard | Sylvie Meynard |
 Luigi VannucchiBrook | Brook |
 Loredana NusciakThe Shadow's Agent | The Shadow's Agent |
 Jacques BerthierColonel Callaghan | Colonel Callaghan |
 Carlo HintermannThe Shadow's Agent with furry collar | The Shadow's Agent with furry collar |
 Michel BardinetFrancisco Aguirrez | Francisco Aguirrez |
 Giampiero AlbertiniCunningham's Chief Agent | Cunningham's Chief Agent |
 Angelo InfantiPedro Almereyda / Max Schulz | Pedro Almereyda / Max Schulz |
 Franco GiornelliCunningham's Agent | Cunningham's Agent |
 Andrea ScottiCunningham's Agent Disguised as a Nurse | Cunningham's Agent Disguised as a Nurse |
 Solvi StübingHotel Maid | Hotel Maid |
| DDario De GrassiBrook's Agent | Brook's Agent |
 Adriano UrianiNot listed | Not listed |
 Antonio MarsinaBrook's Agent | Brook's Agent |
| PPeter BladesNot listed | Not listed |
 Loris BazzocchiBrook's Agent Looking After Hallam | Brook's Agent Looking After Hallam |
 Mirella PamphiliNot listed | Not listed |
 Valentino MacchiCunningham's Agent Disguised as a Nurse | Cunningham's Agent Disguised as a Nurse |
 Grégoire AslanShadow | Shadow |
 Tom FelleghyThe Manager of 'Baumkuchen' | The Manager of 'Baumkuchen' |
 Vanni MaterassiThe TV Technician | The TV Technician |
 Fulvio MingozziGuest at 'Baumkuchen' | Guest at 'Baumkuchen' |
