sentences: "In recent years, critics have noted that the casting of James Stewart as a character who becomes disturbed and obsessive ultimately enhances the film's unconventionality and effectiveness as suspense, since Stewart had previously been known as an actor of warmhearted roles.Already in the 1960s, the French "Cahiers du cinéma" critics began re-evaluating Hitchcock as a serious artist, rather than just a populist showman.