- HD 1080
- Runtime: 123m.
- Status: Released
- 1
- Languages: fr
- Country: France, Italy
- Director: Joseph Losey
- Stars: Alain Delon, Jeanne Moreau, Francine Bergé, Juliet Berto, Jean Bouise
- keywords: paris, france, world war ii, jew persecution, art dealer, doppelgänger, police raid, nazi collaborationism, nazi occupation, 1940s
- Production_studio: Adel Productions, Lira Films, Nova Films, Mondial Televisione Film
- Slogan: In the nightmare labyrinth of the Occupation
- providers: Criterion Channel
- The Mr. Klein is featured in the top rankings of 1976
- #14 in Top Drama Movies of 1976
- #7 in Top Thriller Movies of 1976
- #5 in Top Mystery Movies of 1976
Paris, France, 1942, during the Nazi occupation. Robert Klein, a successful art dealer who benefits from the misfortunes of those who are ruthlessly persecuted, discovers by chance that there is another Robert Klein, apparently a Jewish man; someone with whom he could be mistakenly identified, something dangerous in such harsh times.