The Master Blackmailer

Jeremy Brett

as

Sherlock Holmes

Edward Hardwic...

as

Dr. John Watson

Robert Hardy

as

Charles August...

Norma West

as

Lady Diana Swi...

Gwen Ffrangcon...

as

The dowager

Colin Jeavons

as

Inspector Lest...

Serena Gordon

as

Lady Eva Black...

Rosalie Willia...

as

Mrs Hudson

Sophie Thompson

as

Agatha

Nickolas Grace

as

Bertrand

Sarah McVicar

as

The Hon. Charl...

David Mallinson

as

Colonel Dorking

Brian Mitchell

as

Harry, Earl of...

Hans Meyer

as

Hebworth (Alia...

Stephen Simms

as

Stokes

Belinda Peters

as

Lillie

Henrietta Whit...

as

Daphne

Alan Rothwell

as

Tronson, The B...

Howard Gaye

as

Lewis, Dorking...

David Scase

as

Art Gallery Ow...

Jimmy Hibbert

as

Hobbs, The Pai...

Tony Broughton

as

Auctioneer

Lee Clarke

as

Emile

Simon Fogg

as

Cabaret Artiste