 Rossana PodestàGiorgia | Giorgia |
 Philippe LeroyAlbert | Albert |
 Gastone MoschinAdolf | Adolf |
 Gabriele TintiAldo | Aldo |
 Maurice PoliAlfred | Alfred |
 Giampiero AlbertiniAugust | August |
 Manuel ZarzoAlfonso | Alfonso |
| DDario De GrassiAnthony | Anthony |
| EEnrico Maria SalernoIl Generale Presidente | Il Generale Presidente |
 Antonio Molino RojoComandante del sottomarino | Comandante del sottomarino |
 Luis MarínNot listed | Not listed |
 Simón ArriagaNot listed | Not listed |
 Jacques HerlinMilitare a Cuenca | Militare a Cuenca |
 Ignazio SpallaUfficiale di marina | Ufficiale di marina |
 Ennio BalboPolice Chief | Police Chief |
 José TorresUfficiale rivoluzionario | Ufficiale rivoluzionario |
 Renato TerraNot listed | Not listed |
| RRiccardo MontalbanoNot listed | Not listed |
| RR. de Fonte CarreraNot listed | Not listed |
 Ignazio LeoneNot listed | Not listed |
| MMario LanfranchiNot listed | Not listed |
 Lars BlochThe Tall (uncredited) | The Tall (uncredited) |
 Alberto BonucciRadio Ham (uncredited) | Radio Ham (uncredited) |
 Sisto BrunettiRussian Sailor (uncredited) | Russian Sailor (uncredited) |
| NNat BushRadio Host / Soldier (uncredited) | Radio Host / Soldier (uncredited) |
 Giovanni Di Benedetto(uncredited) | (uncredited) |
 Renzo Palmer(uncredited) | (uncredited) |
| AAlfred ThomasCoast Guard officer (uncredited) | Coast Guard officer (uncredited) |
| WWalter WilliamsLBI Agent (uncredited) | LBI Agent (uncredited) |
