Julie Delpy is a French and American actress, screenwriter and film director. She studied filmmaking at NYU's Tisch School of the Arts and has directed, written, and acted in more than 30 films, including Europa Europa (1990), Voyager (1991), Three Colours: White (1993), the Before trilogy, An American Werewolf in Paris (1997), and 2 Days in Paris (2007).

Three Colours: Blue is a 1993 psychological drama film directed and co-written by Polish filmmaker Krzysztof Kieślowski. It is the first of three films that make up the Three Colours trilogy, themed on the French Revolutionary ideals of liberty, equality and fraternity, followed by White and Red. According to Kieślowski, the subject of the film is liberty, specifically emotional liberty, rather than its social or political meaning.