• 
  George Roy Hill

  regizor

• 
  Allan Burns

  scenarist

• 
  Diane Lane

  Lauren
• 
  Laurence Olivier

  Julius
• 
  Thelonious Bernard

  Daniel
• 
  Arthur Hill

  Richard King
• 
  Anna Massey

  Ms. Siegel
• 
  Philippe Brigaud

  Theater Manager

• 
  Carlo Lastricati

  Tour Guide
• 
  Jacques Maury

  Inspector Leclerc
• 
  Sally Kellerman

  Kay King
• 
  Peter Maloney

  Martin
• 
  David Dukes

  George de Marco
• 
  Dominique Lavanant

  Mme. Cormier
• 
  Claude Brosset

  Michel Michon

• 
  Andrew Duncan

  Bob Duryea
• 
  Broderick Crawford

  Broderick 'Brod' Crawford
• 
  Graham Fletcher-Cook

  Londet
• 
  Ashby Semple

  Natalie Woodstein
• 
  Claudette Sutherland

  Janet Duryea