Instead, Losey-also a leftist, but an aesthete of a different stripe-got the job. Losey wasn’t the first choice to direct it the project was meant for Costa-Gavras, a filmmaker of overt left-wing sympathies and a rather simplistic, albeit stirring, realistic manner, but he turned it down. Set in Paris in early 1942, during the German Occupation, it’s the story of a Parisian Catholic man named Robert Klein (Alain Delon) whose identity becomes confused with that of a Jewish man with the same name-and who, as a result, faces the same persecutions that Jews faced in France at the time. Klein,” screening at Film Forum today through September 19th, makes readily available a work that, like most masterworks, has a retrospective air of destiny but resulted from a series of useful accidents. The restoration and revival of Joseph Losey’s 1976 film “Mr.