Began to work on The Return of James Battle (2004) playing the role of Bosco, but died during the filming of the movie. He was replaced by Jean-Pierre Marielle and was given a dedication at the beginning of the end credits : "A Jean Yanne...".
He began a journalist career before starting to be a comedian in Yves Robert's theatre company.
Father of a boy named Jean-Christophe (b. 1991), with Countess Christianne Fugger von Babenhausen (Janary 18th 1960 - April 24th 2009).