A Chave Noturna
Voltar
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)