During a bank robbery, the manager and a cashier are locked in the strongroom, while the crooks escape. Later, when the gang realise that their plan to release the pair has gone wrong, they return to the bank to try and release them before the police turn up.
You can now watch Strongroom online on the following streaming providers in the United States.
| Directing | Vernon Sewell | Director |
| Sound | Johnny Gregory | Original Music Composer |
| Camera | Basil Emmott | Director of Photography |
| Editing | John Trumper | Editor |
| Writing | Richard Harris | Screenplay |
| Writing | Max Marquis | Screenplay |
| Writing | Richard Harris | Idea |
| Production | Guido Coen | Producer |
| Costume & Make-Up | George Claff | Makeup Artist |
| Costume & Make-Up | Betty Sherriff | Hairstylist |
| Production | Douglas Hermes | Production Manager |
