Olivier Martinez is a French actor. He became well known after roles in several French films such as Un, deux, trois, soleil (1993), which garnered him the César Award for "Most Promising Actor", The Horseman on the Roof (1995), and The Chambermaid on the Titanic (1997). He has also appeared in Hollywood-produced features, including the drama Before Night Falls (2000), the erotic thriller Unfaithful (2002) and playing the role of a French drug lord in the action-crime-thriller S.W.A.T. (2003).

The Horseman on the Roof is a 1995 French film directed by Jean-Paul Rappeneau and starring Juliette Binoche and Olivier Martinez. Based on the 1951 French novel Le hussard sur le toit by Jean Giono, the film follows the adventures of a young Italian nobleman in France raising money for the Italian revolution against Austria during a time of cholera. The Italian struggle for independence and the cholera pandemic in southern France in 1832 are historical events. The film received César Awards in 1996 for Best Cinematography and Best Sound, as well as eight César Award nominations for Best Film, Best Costume Design, Best Actress, Best Director, Best Editing, Best Music, Best Production Design, and Most Promising Actress.