Ne le dis à personne

Arnaud Henriet as SRPJ Technician Philippe Lefebvre as Lieutenant Philippe Meynard Éric Naggar as Maître Pierre Ferrault Laurent Lafitte as The Basque Dorothée Brière as Flight attendant Marie-Antoinette Canet as Secretary Maître Ferrault Harlan Coben as Stranger at the station (uncredited) Guillaume Canet as Philippe Neuville, son of Gilbert Anne Marivin as Alexandre's secretary Alain Attal as Passenger at the airport (uncredited) Nathalie Baye as Maître Elysabeth Feldman Eric Savin as Prosecutor Jean-Noël Brouté as Doctor Dubois Jérémie Covillault as The parking lot junkie Marie-Josée Croze as Margot Beck, wife of Alexandre and daughter of Jacques Samir Guesmi as Lieutenant Saraoui Christof Veillon as Customs officer Maxim Nucci as Fred, Charlotte Bertaud's assistant Jean-Pierre Lorit as Chief Warrant Officer Lavelle Ludovic Bergery as Young policeman Alexandra Mercouroff as Lucille's mother Eva Saint-Paul as Madame Neuville Marina Hands as Anne Beck, sister of Alexandre and companion of Hélène Mikaela Fisher as Zak Françoise Bertin as Antoinette Levkowitch François Cluzet as Alexandre 'Alex' Beck, pediatrician Jean Rochefort as Gilbert Neuville Daniel Znyk as Medical examiner Arnaud Marciszewer as (uncredited) Sara Martins as Bruno's friend Christophe Rossignon as Forensic officer Kristin Scott Thomas as Hélène Perkins, Anne's companion Pierre-Benoist Varoclier as Nurse Théo Chavannes as (uncredited) Albert Goldberg as Bartola Brigitte Catillon as Captain Barthas Joël Dupuch as Massive man Martine Chevallier as Martine Laurentin Mamadou Gary as PlayStation player André Dussollier as Jacques Laurentin, retired gendarme officer François Berléand as Eric Levkowitch Olivier Marchal as Bernard Valenti Thierry Neuvic as Marc Bertaud Hugo Sélignac as Photo studio model Andrée Damant as Simone Jean-Maurice Bonneau as Horse show host Danièle Ajoret as Madame Beck Marie Martin as Margot as a child Lola Lefebvre as Lucille Anthony Apel as Man in the Crowd Florence Thomassin as Charlotte Bertaud, Margot's best friend Karim Adda as Impatient patient Gilles Lellouche as Bruno, thug and friend of Alexandre Jalil Lespert as Yaël Gonzales Philippe Canet as François Beck Christian Carion as Lucille's father

Alain Attal Producer Harlan Coben Novel Gérard Lamps Sound Re-Recording Mixer Michel Carliez Stunt Coordinator Hervé de Luze Editor Philippe Chiffre Production Design Jean-Claude Lagniez Stunt Coordinator Stephan Massis First Assistant Camera Alexis Kinebanyan Special Effects Makeup Artist Patrick Ronchin Stunt Coordinator Matthieu Chedid Original Music Composer Benoît Lestang Special Effects Makeup Artist Pierre Gamet Sound Christophe Offenstein Director of Photography Philippe Lefebvre Screenplay Carine Sarfati Costume Design Guillaume Canet Screenplay, Director Pierre-Ange Le Pogam Executive Producer Brigitte Moidon Casting Thi Thanh Tu Nguyen Key Makeup Artist Ludovic Bernard First Assistant Director Jean Goudier Sound Editor