Elenco & Equipe de Chantagem
John LongdenDetective Frank Webber Harvey BrabanThe Chief Inspector Ex-Det. Sergt. BishopThe Detective Sergeant Alfred HitchcockMan on Subway (uncredited) / Realizador / Argumento Johnny AshbyBoy (uncredited) Joan BarryAlice White (voice) (uncredited) Johnny ButtSergeant (uncredited) Phyllis KonstamGossiping Neighbour (uncredited) Sam LiveseyThe Chief Inspector (silent version) (uncredited) Phyllis MonkmanGossip Woman (uncredited) Percy ParsonsCrook (uncredited) Alfred HitchcockMan on Subway (uncredited) / Realizador / Argumento C. Wilfred ArnoldArt Direction Norman G. ArnoldArt Direction Jack E. CoxDirector Of Photography Frank MillsDirector Assistente Hubert BathCompositor de Banda Sonora Original Dallas BowerSound Recordist Jimmy CampbellCompositor de Banda Sonora Original Reginald ConnellyCompositor de Banda Sonora Original Harry StaffordMusic Arranger Charles BennettTheatre Play 
