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.

• Lloyd CorriganDirector
• Jack MoffittScreenplay
• Tristram TupperScreenplay

• Boris KarloffDavid Mallory
• Warren HullJim Travers
• Jean RogersJoan Mallory
• Alan BaxterJohn Baron aka The Kid
• Hobart CavanaughPetty Louie
• Samuel S. HindsSteven Ranger
• David OliverMike Callahan
• Ward BondFingers
• Frank ReicherCarl - gang engineer
• Edwin MaxwellLawyer Kruger
• George ClevelandSam Adams - Company Engineer (uncredited)
• Ruth FallowsWaitress (uncredited)