Will Ferrell

Sherlock Holmes

Acting

John C. Reilly

Dr. John Watson

Acting

Rebecca Hall

Dr. Grace Hart

Acting

Rob Brydon

Inspector Lestrade

Acting

Kelly Macdonald

Mrs. Martha Hudson

Acting

Lauren Lapkus

Millie

Acting

Pam Ferris

Queen Victoria

Acting

Ralph Fiennes

Prof. James Moriarty

Acting

Adam Scherr

Brawn

Acting

Kieran O'Brien

PC Smalls

Acting

Noah Jupe

Doxy

Acting

Bella Ramsey

Flotsam

Acting

Colby Mulgrew

Haybag

Acting

Scarlet Grace

Pickle

Acting

Billy Jenkins

Mud Fog

Acting

Michael Culkin

The Judge

Acting

Wolf Roth

Sigmund Freud

Acting

Jana Pérez

Lestrade's Wife

Acting

Nathan Osgood

Mark Twain

Acting

David Shackleton

Albert Einstein

Acting

Paul Cassidy

Charlie Chaplin

Acting

Bronson Webb

Jonathan Nightingale

Acting

Jamie-Rose Monk

Mrs. Nightingale

Acting

Jason Thorpe

Butler

Acting

Robert Cawsey

Waiter

Acting

Stanley Eldridge

Waiter

Acting

Oliver Maltman

Telegraph Operator

Acting

David Stoller

Hudson's Guard

Acting

Jack Riley

Newschild

Acting

Lilly Aspell

Newschild

Acting

Ethan Rouse

Newschild

Acting

Ellie Rose Eames

Newschild

Acting

Jamie Baughan

Titanic Ship Officer Liaison

Acting

Helen Duff

Titanic Guest

Acting

Jess Liaudin

Hangman

Acting

Wesley Kent-Hargreaves

Weird Child Companion

Acting

Daniel Fearn

Drooling Man Companion

Acting

Darren Lake

Disorientated Man Companion

Acting

Martin Bishop

Priest

Acting

Gerard Monaco

Titanic Ship Officer

Acting

Ben Lee

Houdini

Acting

Michael Buffer

Fight Fan #1

Acting

Bruce Buffer

Fight Fan #2

Acting

Russell Wilcox

Announcer

Acting

Billy Zane

Billy Zane

Acting

Hector Bateman-Harden

Young Sherlock Holmes

Acting

Codie-Lei Eastick

Young Watson

Acting

Laura Stevely

Sherlock's Mother

Acting

Layla Rose Boyce

Nicotine Stains / Nancy

Acting

Sadie Newman

Jane

Acting

Harry Baxendale

Seamus

Acting

Ella Bright

Bridgette

Acting

Kenneth Hadley

Headmaster

Acting

Paul Bigley

Teacher #1

Acting

Sue Maund

Teacher #2

Acting

Tommy Gene Surridge

Inky Hands

Acting

Paddy Holland

Tough Kid

Acting

Henrihs Ahmadejevs

Drunk (uncredited)

Acting

Deepak Anand

Nobleman (uncredited)

Acting

Lindy Barrett

School Girl (uncredited)

Acting

Martin Bassindale

One Man Band (uncredited)

Acting

Sara Beasley

Mrs. Frobisher (uncredited)

Acting

Steve Coogan

Gustav (uncredited)

Acting

Willem Dalby

Newsie Man (uncredited)

Acting

Matthew Di Liello

Telly-Phone Assistant (uncredited)

Acting

Shawn Dixon

Upper Class Gentleman #1 (uncredited)

Acting

Paul T.T. Easter

John (uncredited)

Directing

James Eeles

Manager Mr. Petrucka (uncredited)

Acting

Karl Farrer

Russian Merchant (uncredited)

Acting

David Handley

Executioner (uncredited)

Acting

Phil Hodges

Mr. Algernon Barkworth (uncredited)

Acting

John Kinory

Instructing Solicitor (uncredited)

Acting

Craig Thomas Lambert

Yeoman of the guard (uncredited)

Acting

Hugh Laurie

Mycroft Holmes (uncredited)

Acting

Benjamin Lok

Courtroom Person 3 (uncredited)

Acting

Jordan Long

Herbert (uncredited)

Acting

Joseph Macnab

Fitness Instructor (uncredited)

Acting

Jorge Leon Martinez

British Soldier (uncredited)

Acting

Martyn Mayger

Buckingham Palace Guest (uncredited)

Acting

Hugh O'Brien

Garden Party Guest (uncredited)

Acting

Amelia O'Loughlin

White Star-Line Girl (uncredited)

Acting

Anthony Richard Rowe

Victorian Gentleman (uncredited)

Acting

Pete Freerunner Simpson

Police Officer (uncredited)

Acting

Sonnyboy Skelton

Doxy's Dad (uncredited)

Acting

Mick Slaney

Docker (uncredited)

Acting

Samantha Sharon Watson

Elizabeth - Lady of the Night (uncredited)

Acting

Lochlan White

Newsie Kid - Timmy (uncredited)

Acting

Riley White

Newsie Kid - Jimmy (uncredited)

Acting