Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.
Sherlock Holmes
Dr. John Watson
Major John Sholto
Mordecai Smith
Mary Morstan
Jonathan Small
Inspector Layton
Bartholomew Sholto
Thaddeus Sholto
McMurdo
Mr. Sherman
Tonga
Williams
Lal Rao
Maid
Mrs. Smith
