73 mins | Drama, War | Jan. 19, 1942
73 mins | Drama, War | Jan. 19, 1942
| IMDb rating | 5.4 |
| Producers | Ealing Studios |
| Original title | The Big Blockade |
| Directors | Charles Frend |
| Writers | Angus MacPhail |
as Taylor
as Russian
as Skipper
as Tom
as Royal Navy Mate
as George
as Schneider
as Von Geiselbrecht
as Direktor
as German Propaganda Officer
as U-boat Captain
as Gunter
as Dane