Guest Stars Rosalie Williams as Mrs. Hudson Colin Jeavons as Inspector Lestrade Eric Porter as Professor Moriarty Patrick Allen as Colonel Sebastian Moran James Bree as Coroner Richard Bebb as Sir John Hardy Robert Addie as Mr Murray Naomi Buch as The Countess of Maynooth Paul Lacoux as The Hon. Ronald Adair Roger Rowland as Butler Elizabeth Ritson as Ivy
