• 
  William Shatner

  George Stapleton
• 
  Stewart Granger

  Sherlock Holmes
• 
  Arthur Malet

  Higgins
• 
  Jane Merrow

  Beryl Stapleton
• 
  Sally Ann Howes

  Laura Frankland
• 
  Billy Bowles

  Billy Cartwight
• 
  Liam Dunn

  Messenger
• 
  Brendan Dillon

  Barrymore

• 
  Anthony Zerbe

  Dr. John Mortimer
• 
  Bernard Fox

  Dr. Watson
• 
  Ian Abercrombie

  Train Conductor
• 
  Alan Caillou

  Inspector Lestrade

• 
  Howard Johnson

  art director
• 
  Harry L. Wolf

  imagine
• 
  Richard Belding

  editorial department

• 
  Arthur Hilton

  producător
• 
  Richard Irving

  producător
• 
  Arthur Jeph Parker

  set decorator
• 
  James R. Alexander

  sound department
• 
  Albert Whitlock

  visual effects
• 
  Robert E. Thompson

  scriitor
• 
  Arthur Conan Doyle

  scriitor