When the jewelry of millionaires is stolen on the French Riviera, the former burglar and member of the French resistance John Robie "The Cat" is the prime suspect of the police. John convinces the Lloyds of London insurance agent H.H. Hughson that a copycat is committing the burglaries and he offers to chase the thief to prove his innocence. He befriends the wealthy American widow Jessie Stevens, and her spoiled daughter Frances Stevens but when her jewelries are robbed, John must find the real burglar

Cast

    Cary Grant as John Robie ("The Cat")

    Grace Kelly as Frances Stevens

    Jessie Royce Landis as Jessie Stevens

    John Williams as H. H. Hughson

    Charles Vanel as Monsieur Bertani

    Brigitte Auber as Danielle Foussard

    Jean Martinelli as Foussard, Danielle's father

    Georgette Anys as Germaine, housekeeper

    René Blancard as Commissaire Lepic (uncredited)

    Paul Newlan as Vegetable Man in Kitchen (uncredited)