In 2004 he wrote, directed, and starred in "Aaltra" with Benoît Delépine. Also with Delépine, he has directed and starred in "Avida", which was screened out of competition at the 2006 Cannes Film Festival. The duos film "Louise-Michel" won a Special Jury Prize at the 2009 Sundance Film Festival. Their 2010 film "Mammuth" starred Gérard Depardieu and Isabelle Adjani. It was nominated for the Golden Bear award at the 60th Berlin International Film Festival.