Sundown is a 2021 drama film written and directed by Michel Franco. It stars Tim Roth, Charlotte Gainsbourg and Iazua Larios. The plot follows a wealthy man (Roth) who attempts to abandon his family on vacation after the death of his mother. The film had its world premiere at the Venice Film Festival on 5 September 2021, and was released in the United States by Bleecker Street on 28 January 2022. The film was met with generally positive reviews.

Charlotte Lucy Gainsbourg is a French and British actress and singer. She is the daughter of English actress and singer Jane Birkin and French singer Serge Gainsbourg. After making her musical debut with her father on the song "Lemon Incest" at the age of 12, she released an album with her father at the age of 15. More than 20 years passed before Gainsbourg released albums as an adult to commercial and critical success. She has acted in many films, including collaborations with Lars von Trier, and received two César Awards and Cannes Film Festival's Best Actress Award 2009 for the movie "Antichrist", among many nominations.