Night Key
- Cast: Boris Karloff, Warren Hull, Jean Rogers, Alan Baxter, Hobart Cavanaugh
- Duration: 68 minutes
- Genre: Science Fiction, Crime
- Rating: 6.133/10
- Release Date: 1937-04-18
The inventor of a new top-of-the-line burglar alarm system is kidnapped by a gang in order to get him to help them commit robberies.
