| Warn London | |
|---|---|
| Directed by | T. Hayes Hunter | 
| Written by | Charles Bennett | 
| Starring | Edmund Gwenn John Loder Leonora Corbett | 
| Release date | 
 | 
| Running time | 68 minutes | 
| Country | United Kingdom | 
| Language | English | 
Warn London is a 1934 British thriller film directed by T. Hayes Hunter and starring Edmund Gwenn, John Loder and Leonora Corbett. [1] It was based on a novel by Denison Clift.
A detective goes undercover to infiltrate a gang planning a bullion robbery.