Sherlock Holmes

David Thewlis

Amelia Rojas

Blu Hunt

Professor Moriarty

Dougray Scott

Mr. Halligan

Ardal O'Hanlon

Lady Violet Somerset

Fiona Glascott

Mrs. Halligan

Mary O'Driscoll

Clara Anderson

Gia Hunter

Paul Anderson

Phillip P. Keene

Charlie Holroyd

Hyoie O'Grady

Cassie

Aisling Kearns

Lucia Rojas

Savonna Spracklin

Inspector Bullivant

Paul Reid

Marjorie Anderson

Ivana Miličević

Shaw McPherson

Orén Kinlan

Dan Moriarty aka Michael Wylie

Joe Klocek

Chief Inspector Whitlock

Aidan McArdle

Constable Evans

Jamie Beamish

Magott

Michael Ellen Sean

Weams

Andy Kellegher

Detective Swann

Antonio Aakeel

Bertram Birtwistle

Paschal Friel

Roberto Ricci

Flynn Gray

Martha Ricci

Doireann May White

Innkeeper

Shane Lynch

Cooper

Kasper Andreasen

Shrimpy

Senan Jennings

Purser Curtis

Bruno Gunn

Clarence Halfpenny

Kojo Kamara

Pinkerton Detective

Charlie Kranz

Smales

Bryan Quinn

Gerald

Michael Gerwe

Tomkins

Chris McHallem

Ruthie

Zahra Browne

Colin

Lalor Roddy

Constable Weaver

Oliver Flitcroft

Dankworth

Caolan Byrne

Arthur

Mark P. O'Connor

Coachman

Adam Behan

O'Leary

Seamus O'Hara

Lord Withersea

Jack Meade

Coffin Fire Inspector

Brendan Farrell

Hackney Driver

Anthony Morris

Pete Pound

Ruairí Heading

Emma

Rose O'Neill

Mr. Hopper

Allan Keating

Constable One

Ben Waddell