FilmClue of the Silver Key1961 · 59mCrimeTMDB 7.0 · 1 votesSign in to track thisThe police investigate the murder of a wealthy old man.CastBernard LeeSuperintendent MeredithLyndon BrookGerry DomfordFinlay CurrieHarvey LaneJennifer DanielMary LanePatrick CargillBinnyAnthony SharpMike HennesseySam KyddHorace TicklerEve EdenSecretaryDerrick SherwinQuigleyStanley MorganSgt. AnsonHarold ScottCrowJohn KiddMr. Hardwick