French film producer Nicolas Altmayer and Dior executive Mathilde Favier killed in car crash

French film producer Nicolas Altmayer and his partner, Mathilde Favier, the public relations director at Dior Couture, were killed in a traffic accident on Monday, August 17, 2026. According to the Niort prosecutor's office, the couple died when their vehicle collided with a truck that was traveling in the opposite direction in western France.

Nicolas Altmayer, 61, was a prominent figure in the French film industry. As a co-leader of the Mandarin production company alongside his brother Eric, he was responsible for significant cinematic works, including "OSS 117," "Brice de Nice," and several films by director François Ozon. He was also known for his collaborations on projects such as "Patients" and "Monsieur Aznavour." Mathilde Favier was equally recognized for her influential role at the luxury fashion house Dior.

The deaths have caused deep mourning within the French fashion and film communities. While the prosecutor's office confirmed the circumstances of the collision, there have been no further updates regarding the investigation or legal actions against the truck driver as of August 19, 2026.