• 
  Roman Polanski

  regizor

• 
  Roman Polanski

  scenarist

• 
  Roman Polanski

  Trelkovsky
• 
  Isabelle Adjani

  Stella
• 
  Rufus

  Georges Badar
• 
  Alain Sarde

  Peeping tom
• 
  Claude Dauphin

  Husband at the accident
• 
  Albert Delpy

  Neighbor

• 
  Bernard Fresson

  Scope
• 
  Jo Van Fleet

  Madame Dioz
• 
  Lila Kedrova

  Madame Gaderian
• 
  Jacques Chevalier

  Patron
• 
  Maïté Nahyr

  Lucille
• 
  Héléna Manson

  Head Nurse
• 
  Jean-Pierre Bagot

  Poliţist

• 
  Jacques Monod

  Cafe Owner
• 
  Melvyn Douglas

  Monsieur Zy
• 
  Shelley Winters

  The Concierge
• 
  Bernard-Pierre Donnadieu

  Bar Waiter
• 
  Josiane Balasko

  Office Worker
• 
  Romain Bouteille

  Simon
• 
  Gérard Jugnot

  Office Clerk
• 
  André Penvern

  Cafe Waiter
• 
  Eva Ionesco

  Madame Gaderian's daughter
• 
  Michel Blanc

  Scope's Neighbor
• 
  Patrice Alexsandre

  Robert
• 
  Claude Piéplu

  Neighbor (as Claude Pieplu)