Episode The Speckled Band Adaptation: 1964 BBC TV Episode: 1 Airdate: 18 May 1964 IMDb: The Speckled Band (link not verified) Canon basis: The Adventure of the Speckled Band Next: The Illustrious Client Cast Douglas Wilmer as Sherlock Holmes Nigel Stock as Dr. John H. Watson Donald Douglas as Percy Armitage Mary Holder as Mrs. Hudson Felix Felton as Dr. Grimesby Roylott Liane Aukin as Helen Stoner Marian Diamond as Julia Stoner Nan Marriott-Watson as Annie