Alexandre 'Alex' Beck, pediatrician
Margot Beck, wife of Alexandre and daughter of Jacques
Jacques Laurentin, retired gendarme officer
Hélène Perkins, Anne's companion
Philippe Neuville, son of Gilbert
Bruno, thug and friend of Alexandre
Anne Beck, sister of Alexandre and companion of Hélène
Charlotte Bertaud, Margot's best friend
Lieutenant Philippe Meynard
Chief Warrant Officer Lavelle
Valenti, computer scientist
Fred, Charlotte Bertaud's assistant
Secretary Maître Ferrault
Passenger at the airport (uncredited)
Stranger at the station (uncredited)