Ben Syder as Sherlock Holmes

Gareth David-Lloyd as Dr. John Watson

Dominic Keating as Thorpe Holmes

William Huw as Lestrade

Elizabeth Arends as Anesidora Ivory

David Shackleton as Old Dr. Watson

Dylan Jones as Grolton

Jago North as Reporter

Rachael Evelyn as Miss Lucy Hudson

Catriona McDonald as Mrs. Hudson

Kate Thomas as Sally Fassbinder

Regina Hellmich as Nurse

Madeleine Sansome as Young Girl

Cali Jones as Nurse

Neil Williams as Phineas Stiles

Chris Coxon as John Poole

Iago Patrick McGuire as Lees

Thomes Jones as Newspaper Boy

Laith Jawzi as Sailor Smith

Neill Scullard as Captain of Guards

Richard Hopkins as Palace Guard

Phil Powell as Palace Guard

Kevin Turner as Palace Guard

Arron Kelly as Lieutenant

David Lamb as Sailor

Andrew Griffiths as Sailor

Dewi Rhys Williams as Sailor

Daniel Wood as Soldier

Ainon Rowlands as Soldier

James Cooper as Soldier

Simon Lloyd-Roberts as Soldier

Dilwyn Parry Jones as Corpse

Stephen Green as Background Person

Iwan Prichard as Background Person

Perl Thomas as Background Person

Clewyn Thomas as Background Person

Anson Porey-Jones as Background Person

Rhys Jones as Background Person

Nathan Harris as Background Person

Sandra Jackson as Background Person

Dennis Jones as Background Person

Dylan Wyn Pritchard as Background Person

Osian Jones as Background Person

Terry Jackson as Background Person

Andrew Jackson as Background Person

Robert Prichard as Background Person

Natasha Pritchard as Background Person

Gwion Wynne as Background Person

Barry Jones as Background Person

Tara Lee as Background Person

Rachel Williams as Background Person

Karl Bonawa as Background Person

Timothy Bray as Background Person

Elaine Cleminson as Background Person