Night Key 1937

The inventor of a new top-of-the-line burglar alarm system is kidnapped by a gang in order to force 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 Hinds as Stephen Ranger David Oliver as Mike Callahan Ward Bond as Fingers