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