Blackmail (French: Chantage) is a 1955 French crime film directed by Guy Lefranc and starring Raymond Pellegrin, Magali Noël and Leo Genn.

[1] [2] [3] It was shot at the Billancourt Studios in Paris and on location around the city including in Saint-Germain-en-Laye.

The film's sets were designed by the art director Lucien Aguettand.

It is also known by the alternative title The Lowest Crime.

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