The Master Blackmailer

جيرمي بريت

Sherlock Holmes

إدوارد هاردويك

Dr. John Watson

روبرت هاردي

Charles Augustus Milverton

Norma West

Lady Diana Swinstead

Gwen Ffrangcon Davies

The dowager

Colin Jeavons

Inspector Lestrade

Serena Gordon

Lady Eva Blackwell

روزالي وليامز

Mrs Hudson

Sophie Thompson

Agatha

Nickolas Grace

Bertrand

Sarah McVicar

The Hon. Charlotte Miles

David Mallinson

Colonel Dorking

Brian Mitchell

Harry, Earl of Dovercourt

Hans Meyer

Hebworth (Alias Veitch)

Stephen Simms

Stokes

Belinda Peters

Lillie