Submarine disaster drama made under the auspices of Mussolini's department of defense. During maneuvers a submarine collides with a surface vessel and drops to the ocean floor. The crew have thirty hours' worth of air to get it back to the surface.
| Actor | Role |
|---|---|
 Diego PozzettoNot listed | Not listed |
 Marichetta StoppaNot listed | Not listed |
| NNicola MorabitoNot listed | Not listed |
| FFelga LauriNot listed | Not listed |