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