| They Didn't Know | |
| Director: | Herbert Smith |
| Producer: | Herbert Smith |
| Cinematography: | Geoffrey Faithfull |
| Studio: | British Lion Film Corporation |
| Runtime: | 67 minutes |
| Country: | United Kingdom |
| Language: | English |
They Didn't Know is a 1936 British comedy film directed by Herbert Smith and starring Eve Gray, Leslie Perrins and Kenneth Villiers.[1] It was made at Beaconsfield Studios as a quota quickie.