John LongdenDetective Frank Webber Harvey BrabanThe Chief Inspector Ex-Det. Sergt. BishopThe Detective Sergeant Alfred HitchcockMan on Subway (uncredited) / Reżyseria / Screenplay 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) / Reżyseria / Screenplay C. Wilfred ArnoldArt Direction Norman G. ArnoldArt Direction Jack E. CoxDirector Of Photography Frank MillsAssistant Director Dallas BowerSound Recordist Hubert BathOriginal Music Composer Reginald ConnellyOriginal Music Composer Jimmy CampbellOriginal Music Composer Harry StaffordMusic Arranger Charles BennettTheatre Play 
