Sherlock Holmes' problem with disturbing dreams proves to be both an impediment and an aid in the search for a missing woman.

Jeremy Brett
as Sherlock Holmes

Edward Hardwicke
as Dr. John Watson

Simon Williams
as Robert St. Simon

Paris Jefferson
as Hatty Doran

Joanna McCallum
as Flora Millar

Geoffrey Beevers
as Insp. Montgomery

Anna Calder-Marshall
as Lady Helena / Agnes Northcote

Heather Chasen
as Lady Amelia

Bob Sessions
as Aloysius Doran

Rosalie Williams
as Mrs. Hudson