Episode

The Red Circle

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Next: The Mazarin Stone

Cast
Jeremy Brett as Sherlock Holmes
Edward Hardwicke as Dr. John H. Watson
John Hallam as Giuseppe Gorgiano
Rosalie Williams as Mrs. Hudson
Kerry Shale as Mr. Leverton
Sophia Diaz as Emilia Lucca
James Coombes as Gennaro Lucca
Betty Marsden as Mrs. Warren
Kenneth Connor as Mr. Warren
Joseph Long as Firmani
Tom Chadbon as Insp. Hawkins
Louise Heaney as Vera