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 Césars , the most in 2014 , winning five in total . Individually , he was awarded the César Award for Best Actor and the César Award for Best Writing
2013 Cannes Film Festival
2013 Cannes Film Festival
Guillaume Gallienne