The real star of this film, the imposing and untypical french building where is settled the "Rosery & Mitchell" company is not a model. It's the actual Maine Montparnasse tower of which construction was achieved only 3 years before the shooting of this film.
Cinematographer Andréas Winding was nominated for the César in the Best Cinematography category, his only nomination to the award. It was a posthumous nomination as he had died in the previous year, some months before the film release.