An Italian submarine captain tries to navigate his sub through enemy waters while being stalked by a British warship. They both make it to the neutral port of Tangiers where they agree a truce.
| Directing | Charles Frend | Director |
| Directing | Bruno Vailati | Director |
| Writing | Adriano Belli | Writer |
| Writing | Pino Belli | Writer |
| Writing | Augusto Frassinetti | Writer |
| Writing | Bruno Vailati | Writer |
| Writing | Jack Whittingham | Screenplay |