Lambert Feels Threatened (German: Lambert fühlt sich bedroht) is a 1949 Austrian mystery crime film directed by Géza von Cziffra and starring Hannelore Schroth, Curd Jürgens and Leopold Rudolf.

[1] It was shot at the Schönbrunn Studios in Vienna and on location around Pörtschach am Wörthersee.

The film's sets were designed by the art director Fritz Jüptner-Jonstorff.

Lambert a reclusive man lives in isolated house in an island in the middle of a lake.

Inspector Roland takes over the case and arrives on the fog-bound island, and soon encounters strange happenings and the death of the local doctor.