Gallienne made his film debut in 1992 in ''Tableau d'honneur'' and he has starred in
Sofia Coppola's 2006 film
Marie Antoinette. Between 2008 and 2010, he had a short
sketch segment entitled
Les Bonus de Guillaume on
Le Grand Journal, parodying DVD bonus features. He won a
Molière Award for Best Newcomer in 2010 in his one-man stage show
Boys and Guillaume, to the table! (
Les Garçons et Guillaume, à table!) and another for Best Supporting Actor in 2011 in
Un fil à la patte. He collaborated with choreographer
Nicolas Le Riche to write the libretto for the 2011
Paris Opera Ballet production of
Caligula. He adapted
Bolshoi Ballet's 2014 Parisian production of
Illusions perdues, choreographed by
Alexei Ratmansky. His 2013 film
Me, Myself and Mum, an adaptation of his stage show, was screened in the
Directors' Fortnight section at the
2013 Cannes Film Festival where it won the top prize (Art Cinema Award) and the Prix SACD. The film was nominated for ten
César Awards, the most in 2014, winning five in total. Individually, he was awarded the
César Award for Best Actor and the
César Award for Best Adaptation. He also won the
César Award for Best Film and
César Award for Best First Film with producers. Gallienne has been a member (
Sociétaire) of the
Comédie-Française company since 2005, having first entered in 1998. He became a Knight of the
National Order of Merit in November 2008 and an Officer of the
Order of Arts and Letters at the start of 2013. He has hosted a weekly literature show
Ça peut pas faire de mal on
France Inter since September 2009. ==Personal life==