A French diplomat is surveilled by a secret service to find a weakness for political control, his private life becoming 'File No. 51'.
François Marthouret
Dominique Auphal / 51
Roger Planchon
Esculape 1
Patrick Chesnais
Hadès
Jean Martin
Vénus
Daniel Mesguich
Esculape 4
Anna Prucnal
Sarah Robski
László Szabó
Sarah Robski's contact
Didier Sauvegrain
Pylos
