During WWII, handsome young Italian sub commander and his crew torpedo Allied freighters and transport ships for the Axis then rescue the occasional survivor and treat them humanely while seeking a safe place to put them ashore.
| Actor | Role |
|---|---|
 Lois MaxwellLili Donald | Lili Donald |
 Renato Baldinicomandante | comandante |
 Folco Lullinostromo | nostromo |
 Aldo Bufi Landitenente | tenente |
 Carlo Delle PianeCiccio | Ciccio |
 Paolo Panellimarinaio cuoco | marinaio cuoco |
| CCarlo Belliniufficiale | ufficiale |
 Earl CameronJohnny Brown | Johnny Brown |
| DDavid CarbonariNot listed | Not listed |
| LLudovico CerianaNot listed | Not listed |
 Edward FlemingJames Carter | James Carter |
 José Jaspeprigioniero spagnolo | prigioniero spagnolo |
| RRudy SolinasNot listed | Not listed |
 Henri VidonNot listed | Not listed |