character - Sherlock Holmes

character - Capt. Blake

character - Harding

character - Coachman

character - Gabriel

character - Rex Livingston

character - Buyer

character - Lord Farthingay

character - Lord Lansing

character - Dr. Wednesday

character - Carl Reed

character - Charlie

character - Tom

character - Constable Kent (archive footage) (uncredited)

character - Sweeney

character - James Morrison

character - Reporter

character - Usher (uncredited)

character - The Fiance

character - Mr. Benthall

character - Chauffeur

character - Constable Gene Dalton

character - Jones