Episode Detail: The Master Blackmailer - Sherlock Holmes Mysteries
Holmes tracks "The Master Blackmailer," an art dealer (Robert Hardy) who victimizes engaged women with incriminating letters written to former lovers. Lady Swinstead: Norma West. Dowager: Gwen Ffrangcon-Davies. Lady Blackwell: Serena Gordon. Charlotte: Sarah McVicar. Holmes: Jeremy Brett. Watson: Edward Hardwicke. Mrs. Hudson: Rosalie Williams. Lestrade: Colin Jeavons. Bertrand: Nickolas Grace.