Sherlock Holmes
Dr. John Watson
Robert St. Simon
Hatty Doran
Flora Millar
Insp. Montgomery
Lady Helena / Agnes Northcote
Lady Amelia
Aloysius Doran
Mrs. Hudson
Lady Florence
Lady Mary
Lady Blanche
Thomas Floutier
Gallagher
Oswald
George Tidy
Moulton
Butler
Stage Doorkeeper
Waiter
Esther
Alice