• 
  Bob Clark

  regizor

• 
  Donald Sutherland

  Robert Lees
• 
  Christopher Plummer

  Sherlock Holmes
• 
  Jim McManus

  Poliţist
• 
  Elaine Ives-Cameron

  Ellen
• 
  Geneviève Bujold

  Annie Crook
• 
  David Hemmings

  Inspector Foxborough
• 
  Frank Finlay

  Inspector Lestrade

• 
  Ann Mitchell

  Jane
• 
  John Gielgud

  Prime Minister Lord Salisbury
• 
  James Mason

  Dr. John H. Watson
• 
  Geoffrey Russell

  Home Secretary Henry Matthews
• 
  Terry Duggan

  Danny
• 
  Susan Clark

  Mary Kelly
• 
  Ken Jones

  Dock Guard

• 
  Chris Wiggins

  Doctor Hardy
• 
  Peter Jonfield

  William Slade
• 
  Anthony Quayle

  Sir Charles Warren
• 
  Peggy Ann Clifford

  Lees' Housekeeper
• 
  Tedde Moore

  Mrs. Lees

• 
  Bob Clark

  producător
• 
  Reginald H. Morris

  imagine
• 
  Judy Moorcroft

  costume
• 
  Ron Beck

  costume and wardrobe departmen
• 
  Stan Cole

  montaj
• 
  Rob King

  make-up department
• 
  Harry Pottle

  design de producţie
• 
  Dennis Drummond (I)

  sound department
• 
  John W. Mitchell

  sound department
• 
  Patrick Drummond

  sound department
• 
  John Lloyd (I)

  scriitor
• 
  Arthur Conan Doyle

  scriitor