• 
  Rene Clement

  regizor

• 
  Paul Gégauff

  scenarist

• 
  Alain Delon

  Tom Ripley
• 
  Romy Schneider

  Freddy's companion
• 
  Maurice Ronet

  Philippe Greenleaf
• 
  Erno Crisa

  Riccordi
• 
  Marie Laforêt

  Marge Duval
• 
  Ave Ninchi

  Signora Gianna

• 
  Billy Kearns

  Freddy Miles
• 
  Elvira Popescu

  Mrs. Popova
• 
  Frank Latimore

  O'Brien
• 
  Nerio Bernardi

  Agency Director
• 
  Viviane Chantel

  The Belgian lady
• 
  Nicolas Petrov

  Boris
• 
  Lily Romanelli

  Housekeeper