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
Edward Hardwicke
Robert Hardy
Norma West
Gwen Ffrangcon Davies
Colin Jeavons
Serena Gordon
Rosalie Williams
Sophie Thompson
Nickolas Grace
Sarah McVicar
David Mallinson
Brian Mitchell
Hans Meyer
Stephen Simms
Belinda Peters
Henrietta Whitsun-Jones
Alan Rothwell
Howard Gaye
David Scase
Jimmy Hibbert
Tony Broughton
Lee Clarke
Simon Fogg