A Chave Noturna

Elenco

• 
  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 (sem créditos)
• Ruth FallowsWaitress (sem créditos)
• 
  George HumbertMr. Spinelli (sem créditos)
• Nina CampanaMrs. Spinelli (sem créditos)
• 
  Charles C. WilsonPolice Capt. Wallace (sem créditos)
• Chuck HamiltonPoliceman (sem créditos)

Equipe Técnica