Desc: Little Girl Blue: Directed by Mona Achache. With Marion Cotillard, Mona Achache, Marie Bunel, Marie-Christine Adam. Docudrama about French writer and photographer Carole Achache. Through the power of filmmaking and the help of Marion Cotillard, director Mona Achache brings her mother back to life to retrace her journey and find out who she really was.