The Master Blackmailer
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.
Director Peter Hammond
Cast
Hans Meyer
Hebworth (Alias Veitch)
Jeremy Brett
Sherlock Holmes
Gwen Ffrangcon Davies
The dowager
Colin Jeavons
Inspector Lestrade
Rosalie Williams
Mrs Hudson
David Mallinson
Colonel Dorking
Alan Rothwell
Tronson, The Butler
Norma West
Lady Diana Swinstead
Sophie Thompson
Agatha
Nickolas Grace
Bertrand
Howard Gaye
Lewis, Dorking's Batman
Edward Hardwicke
Dr. John Watson
Robert Hardy
Charles Augustus Milverton
Serena Gordon
Lady Eva Blackwell
Jimmy Hibbert
Hobbs, The Painter