Olivier Marchal (born 14 November 1958) is a French actor, director, screenwriter, and a former policeman. In 2005, he was nominated for three César Awards (best director, best film and best writing) for his film 36 Quai des Orfèvres. He also created the popular French television police drama Braquo and wrote and directed some episodes in its first season (2009). With Catherine Quiniou (Catherine Marchal), actress, married in 1995, Olivier Marchal is the father of four children: Lea born in 1994, Zoé born in 1998, Ninon born in 2006 and Basile born in 2010. The couple separated in 2015.

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