Released:
1974-10-09

Overview:
A stranger enters into and forever alters the life of a couple. He claims to be pursued by certain authorities who intend to prevent him from disclosing a secret that only he holds, whence the title. Is he lying, or insane - or is he telling the truth? Who, if anyone, is after him? And what *is* - the secret?

Director:
Robert Enrico

Runtime:
1h 42min

Genre:
Drama, Thriller, Mystery

• Cast:
• 
  Jean-Louis Trintignant
  as
  David Daguerre
• 
  Marlène Jobert
  as
  Julia Vandal
• 
  Philippe Noiret
  as
  Thomas Berthelot
• 
  Solange Pradel
  as
  Greta
• 
  Antoine Saint-John
  as
  Gardien