A man helps the victim of an auto accident, not realizing that the man has actually been shot. The men who shot him are now after the man who helped him, in order to eliminate him as a potential witness. Soon they are killing everyone he even comes in contact with in order to get him.
| Actor | Role |
|---|---|
 Alain DelonMichel Gerfaut | Michel Gerfaut |
 Dalila Di LazzaroBéa | Béa |
 Michel AuclairLeprince | Leprince |
 Pascale RobertsMme Borel | Mme Borel |
 Lyne ChardonnetL'infirmière au dossier | L'infirmière au dossier |
 Jean-Pierre DarrasChocard | Chocard |
 Bernard Le CoqGassowitz | Gassowitz |
 François PerrotEtienne Germer | Etienne Germer |
 André FalconJacques Mouzon | Jacques Mouzon |
 Féodor AtkineLeblanc | Leblanc |
| YYvan TanguyHervé | Hervé |
 Peter BonkeBastien | Bastien |
 Daniel BretonCarlo | Carlo |
 Christian BarbierLiethard | Liethard |
 Simone RenantMme. Gerfaut | Mme. Gerfaut |
 Pierre DuxEmmerich | Emmerich |
 Gilette BarbierLa Concierge | La Concierge |
 Pierre BelotMorel | Morel |
 Francis LemairePerrotta | Perrotta |
 Claudine RaffalliLa caissière du café de Trouville | La caissière du café de Trouville |