That Most Important Thing: Love

Servais Mont, a freelance photographer who works taking compromising photos, gets fascinated by Nadine Chevalier, a tormented low-budget movie actress married to an eccentric film photo collector.

• 
  Romy Schneider

  Nadine Chevalier
• 
  Fabio Testi

  Servais Mont
• 
  Jacques Dutronc

  Jacques Chevalier
• 
  Claude Dauphin

  Mazelli
• 
  Roger Blin

  Servais' Father
• 
  Nicoletta Machiavelli

  Luce Lapade
• 
  Klaus Kinski

  Karl-Heinz Zimmer
• 
  Gabrielle Doulcet

  Madame Mazelli
• 
  Michel Robin

  Raymond Lapade
• 
  Katia Tchenko

  Myriam, prostitute