Known for her screenwriting and directorial work on Polisse (2011), Pardonnez-Moi (2006), and Le Bal des Actrices (2008), Ma wenn (born Ma wenn Le Besco) also had a career as an actress, appearing in a number of French films of the 1980s, '90s, and early 2000s. During her teenage years, she acted in the 1983 film L' t' meurtrier (English title: One Deadly Summer).