Episode

The Mazarin Stone

Cast
Clive Merrison as Sherlock Holmes
Michael Williams as Dr. John H. Watson
Anthony Bate as Lord Cantlemere
Joan Matheson as Mrs. Hudson
Lyndam Gregory as Sam Merton
Peter Whitman as Ikey Sanders
Nigel Anthony as Count Negretto Sylvius
David Jarvis as Insp. Youghal
Malcolm Ward as Sgt. Peabody