Two sisters encounter a German spy. A public service film showing how to thwart the enemy.
| Release Date | September 1, 1940 | |
|---|---|---|
| Status | Released | |
| Original Title | Miss Grant Goes to the Door | |
| Runtime | 7min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Ministry of Information | |