• 
  John Bruce

  regizor

• 
  Arthur Conan Doyle

  scenarist
• 
  John Hawkesworth

  scenarist

• 
  Jeremy Brett

  Sherlock Holmes
• 
  David Burke

  Dr Watson
• 
  Roger Hammond

  Jabez Wilson
• 
  Tim McInnerny

  John Clay
• 
  Richard Wilson

  Duncan Ross

• 
  Bruce Dukov

  Sarasate
• 
  John Woodnutt

  Mr. Merryweather
• 
  John Labanowski

  Athelney Jones
• 
  Reginald Stewart

  Doorman
• 
  Ian Bleasdale

  Accountant
• 
  Malcolm Weaver

  Archie
• 
  Eric Porter

  Professor Moriarty

• 
  Harry Goodier

  Policeman
• 
  Reg Stewart

  Doorman (as Reg Stewart)

• 
  Michael Cox

  producător
• 
  Stuart Doughty

  producător asociat