DiplomacyMysteryDiplomacyMysterythumb_upthumb_downDiplomacySeptember 20, 1926Directed byMarshall NeilanHeroine Dora de Zares comports herself in a most mysterious fashion in this spy mystery.US content warning spies Last Updated: 8 days ago Request Update CastBlanche SweetDora WeymouthNeil HamiltonJulian WeymouthArlette MarchalCountess ZickaMatt MooreRobert LowryGustav von SeyffertitzBaron BallinEarle WilliamsSir Henry WeymouthArthur Edmund CareweCount OrloffJulia Swayne GordonMarquise de Zares Image Gallery