Episode

The Mazarin Stone

Cast
Jeremy Brett as Sherlock Holmes
Edward Hardwicke as Dr. John H. Watson
Denis Lill as Insp. Bradstreet
James Villiers as Lord Cantlemere
Richard Caldicot as Nathan Garrideb
Charles Gray as Mycroft Holmes
Rosalie Williams as Mrs. Hudson
Harry Landis as Ikey Sanders
Jon Finch as Count Negretto Sylvius
Gavan O'Herlihy as James Winter
Phyllis Calvert as Agnes Garrideb
Barbara Hicks as Emily Garrideb
Michael Wynne as Commissionaire Jenkins
Helen Ryan as Princess of Wales