• 
  Michael Winner

  regizor

• 
  Peter Buckman

  scenarist

• 
  Lauren Bacall

  Lady Westholme
• 
  Peter Ustinov

  Hercule Poirot
• 
  Carrie Fisher

  Nadine Boynton
• 
  Hayley Mills

  Miss Quinton
• 
  John Gielgud

  Colonel Carbury
• 
  John Terlesky

  Raymond Boynton

• 
  Jenny Seagrove

  Dr. Sarah King
• 
  David Soul

  Jefferson Cope
• 
  Nicholas Guest

  Lennox Boynton
• 
  Michael Craig

  Lord Peel