During World War I, German spies will stop at nothing to spy on the allied war plans stored at Gibraltar.
You can now watch Inside the Lines online on the following streaming providers in the United States.
| Directing | Roy Pomeroy | Director |
| Writing | Ewart Adamson | Writer |
| Writing | Earl Derr Biggers | Story |
| Writing | John Farrow | Dialogue |
| Production | William LeBaron | Producer |
| Editing | George Marsh | Editor |
| Editing | Ann McKnight | Editor |
| Art | Max Rée | Art Direction |
| Sound | George D. Ellis | Sound Engineer |
| Camera | Nicholas Musuraca | Director of Photography |
| Sound | Roy Webb | Original Music Composer |
