Night Key
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 Karloffas David MalloryWarren Hullas Jim TraversJean Rogersas Joan MalloryAlan Baxteras John Baron aka The KidHobart Cavanaughas Petty LouieSamuel S. Hindsas Steven RangerDavid Oliveras Mike CallahanWard Bondas FingersFrank Reicheras Carl - gang engineerEdwin Maxwellas Lawyer KrugerGeorge Clevelandas Sam Adams - Company Engineer (uncredited)Ruth Fallowsas Waitress (uncredited)George Humbertas Mr. Spinelli (uncredited)Nina Campanaas Mrs. Spinelli (uncredited)Charles C. Wilsonas Police Capt. Wallace (uncredited)Chuck Hamiltonas Policeman (uncredited)