Down on their luck, a couple rent out their ship to a mysterious man looking for treasure he'd hidden during the war. Complications ensue when it turns out he's not the only one looking for it.
Unfortunately the movie The Jack of Diamonds is not yet available on HBO Max.
| Directing | Vernon Sewell | Director |
| Writing | Binnacle | Story |
| Writing | Nigel Patrick | Dialogue |
| Writing | Cyril Raymond | Dialogue |
| Production | Will Hammer | Producer |
| Production | Vernon Sewell | Producer |
| Production | Walter Tennyson | Associate Producer |
| Sound | Rupert Grayson | Music |
| Sound | Frank Spencer | Music |
| Camera | Moray Grant | Director of Photography |
| Editing | Francis Bieber | Editor |
| Directing | John Arnold | Assistant Director |
| Sound | Charles T. Parkhouse | Sound |
