Ne le dis à personne

François Cluzet

Alexandre 'Alex' Beck, pediatrician

Marie-Josée Croze

Margot Beck, wife of Alexandre and daughter of Jacques

André Dussollier

Jacques Laurentin, retired gendarme officer

Kristin Scott Thomas

Hélène Perkins, Anne's companion

François Berléand

Eric Levkowitch

Nathalie Baye

Maître Elysabeth Feldman