Night Key

Night Key is a 1937 film about an inventor of a new top-of-the-line burglar alarm system who is kidnapped by a gang in order to get him to help them commit robberies.
 * ''Directed by Lloyd Corrigan. Written by Tristram Tupper.

David Mallory

 * This city is at the mercy of a gang of criminals led by a man who calls himself "The Kid," and I'm the only one who can find him for you.

Dialogue

 * David Mallory: You haven't changed have you? Well I have. Steve, you're going to put in my system whether you like it or not.
 * Steve: I doubt it.
 * David Mallory: You forget, what I create I can destroy.

Cast

 * Boris Karloff — David Mallory
 * Warren Hull — Jimmy Travis
 * Jean Rogers — Joan Mallory
 * Alan Baxter — "The Kid"