Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.
Ian Richardson
Sherlock Holmes
David Healy
Dr. John Watson
Thorley Walters
Major John Sholto
Michael O'Hagan
Mordecai Smith
Cherie Lunghi
Mary Morstan
Joe Melia
Jonathan Small
Terence Rigby
Inspector Layton
Clive Merrison
Bartholomew Sholto
