An inventor of a deadly weapon to be used against the allies is injured in a crash. Surgeon, Sir James (Sebastian Shaw) saves his life but learns of the inventors plot.
| Directing | Thomas Bentley | Director |
| Writing | Dudley Leslie | Screenplay |
| Production | F.W. Baker | Producer |
| Writing | Jack Byrd | Screenplay |
| Directing | Cecil Dixon | Assistant Director |
| Art | R. Holmes Paul | Art Direction |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Cecil H. Williamson | Editor |
| Camera | Arthur Grant | Camera Operator |
| Sound | Hal Fuller | Sound Recordist |
| Production | Daniel Birt | Associate Producer |
| Production | E.S. Laurie | Production Manager |
