• 
  Robert Enrico

  regizor

• 
  Michael York

  Martin's Father/Martin Gray (age 40)
• 
  Bruno Wolkowitch

  Jurek
• 
  Fabienne Tricottet

  Zofia
• 
  Helen Hughes

  Martin's mother
• 
  Corinne Orr
• 
  Jean Bouise

  Dr. Ciljimaster
• 
  Laura Dean

• 
  Boris Bergman

  Abram
• 
  Brigitte Fossey

  Dina Gray
• 
  Dominique Frot

  Marie
• 
  Macha Méril

  Martin's grandmother
• 
  Jacques Penot

  Young Martin Gray

• 
  Pascal Ridao

  camera and electrical departme
• 
  Francois Catonne

  imagine

• 
  Maurice Jarre

  departament sunet
• 
  Andre Djaoui

  producător
• 
  Robert Enrico

  producător
• 
  Pierre David

  producător
• 
  Vincent Arnardi

  sound department
• 
  Robert Enrico

  scriitor