For years, a blackmailer has been preying on the weaknesses of others throughout London. When Holmes hears of the utter misery this mystery man is creating, he adopts a campaign to thwart his evil scheming. The campaign astonishes Dr. Watson by its strangeness and finds Holmes falling in love.
Jeremy Brett
Sherlock Holmes
Edward Hardwicke
Dr. John Watson
Robert Hardy
Charles Augustus Milverton
Norma West
Lady Diana Swinstead
Gwen Ffrangcon Davies
The dowager
Colin Jeavons
Inspector Lestrade
Serena Gordon
Lady Eva Blackwell
Rosalie Williams
Mrs Hudson
