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.

Boris Karloff
as David Mallory

Warren Hull
as Jim Travers

Jean Rogers
as Joan Mallory

Alan Baxter
as John Baron aka The Kid

Hobart Cavanaugh
as Petty Louie

Samuel S. Hinds
as Steven Ranger

David Oliver
as Mike Callahan

Ward Bond
as Fingers

Frank Reicher
as Carl - gang engineer

Edwin Maxwell
as Lawyer Kruger
John Chard
What I create. I can destroy. Night Key is directed by Lloyd Corrigan and adapted to screenplay by Jack Moffitt & Tristam Tupper from a story by William A. Pierce. It stars Boris Karloff, Jean Rogers, Warren Hull and Samuel S. Hinds. Music is by Louis Forbes and cinematography by George Robinson....
JPV852
Fun if not ultimately forgettable 1930s crime thriller that is certainly one of Karloff's lesser movies, however it's watchable enough, I suppose. **3.0/5**...