Belphegor, Phantom of the Louvre

Belphegor, Phantom of the Louvre French Belphgor Le fantme du Louvre is a 2001 French fantasy film directed by JeanPaul Salom and starring Sophie Marceau, Michel Serrault, Frdric Diefenthal, and Julie Christie. Written by Salom, Danile Thompson, and Jrme Tonnerre, the film is about a mummys spirit that possesses a woman Sophie Marceau in the Paris museum. Loosely based on the 1927 horror novel Belphgor by Arthur Bernde, this film is the third dramatized adaptation, following the first film in 1927, and a TV miniseries in 1965. Belphegor, Phantom of the Louvre was filmed on location at the Muse du Louvre, the first feature film to be shot in part inside the worldfamous museum.

Meanwhile, Lisa Sophie Marceau, a young woman who lives across the street from the museum, follows her runaway cat into the Louvre after closing time. She accidentally receives an electrical shock that transfers the stray spirit into her body. Soon Lisa is disguising herself as Belphegor and making off with the rare Egyptian treasures on display at the museum, convinced that they are rightfully hers. When Belphegor proves more than a match for the Louvres security forces, renowned detective Verlac Michel Serrault is brought out of retirement to find out why the museums Egyptian collection has been shrinking.

Source: Wikipedia